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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Ethotoin</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. 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title="Etotoină – Romanian" lang="ro" hreflang="ro" data-title="Etotoină" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%AD%D1%82%D0%BE%D1%82%D0%BE%D0%B8%D0%BD" title="Этотоин – Russian" lang="ru" hreflang="ru" data-title="Этотоин" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Etotoin" title="Etotoin – Serbian" lang="sr" hreflang="sr" data-title="Etotoin" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Etotoin" title="Etotoin – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Etotoin" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q4533122#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Ethotoin" title="View the content page [c]" 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id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical compound</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox" style="border-spacing:2px;"><caption class="infobox-title"><span title="International nonproprietary name (INN): Ethotoin">Ethotoin</span></caption><tbody><tr><td colspan="2" class="infobox-image notheme" style="background-color: #f8f9fa;"><span typeof="mw:File"><a href="/wiki/File:Ethotoin.svg" class="mw-file-description"><img alt="Skeletal formula of ethotoin" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/35/Ethotoin.svg/105px-Ethotoin.svg.png" decoding="async" width="105" height="163" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/35/Ethotoin.svg/158px-Ethotoin.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/35/Ethotoin.svg/210px-Ethotoin.svg.png 2x" data-file-width="512" data-file-height="796" /></a></span></td></tr><tr><th colspan="2" class="infobox-header" style="background:#ddd">Clinical data</th></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/American_Society_of_Health-System_Pharmacists" title="American Society of Health-System Pharmacists">AHFS</a>/<a href="/wiki/Drugs.com" title="Drugs.com">Drugs.com</a></th><td class="infobox-data"><span title="www.drugs.com"><a rel="nofollow" class="external text" href="https://www.drugs.com/cdi/ethotoin.html">Consumer Drug Information</a></span></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/MedlinePlus" title="MedlinePlus">MedlinePlus</a></th><td class="infobox-data"><span title="medlineplus.gov"><a rel="nofollow" class="external text" href="https://medlineplus.gov/druginfo/meds/a682022.html">a682022</a></span></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/Pregnancy_category" title="Pregnancy category">Pregnancy<br />category</a></th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"> <ul><li>C</li></ul> </div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/Route_of_administration" title="Route of administration">Routes of<br />administration</a></th><td class="infobox-data"><a href="/wiki/Oral_administration" title="Oral administration">By mouth</a> (<a href="/wiki/Tablet_(pharmacy)" title="Tablet (pharmacy)">tablets</a>)</td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/Anatomical_Therapeutic_Chemical_Classification_System" title="Anatomical Therapeutic Chemical Classification System">ATC code</a></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><a href="/wiki/ATC_code_N03" title="ATC code N03">N03AB01</a> (<span title="www.whocc.no"><a rel="nofollow" class="external text" href="https://www.whocc.no/atc_ddd_index/?code=N03AB01">WHO</a></span>) </li></ul></div></td></tr><tr><th colspan="2" class="infobox-header" style="background:#ddd"><a href="/wiki/Pharmacokinetics" title="Pharmacokinetics">Pharmacokinetic</a> data</th></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/Biological_half-life" title="Biological half-life">Elimination <span class="nowrap">half-life</span></a></th><td class="infobox-data">3–9 hours</td></tr><tr><th colspan="2" class="infobox-header" style="background:#ddd">Identifiers</th></tr><tr><td colspan="2" class="infobox-full-data"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold;"><div><a href="/wiki/IUPAC_nomenclature_of_chemistry" title="IUPAC nomenclature of chemistry">IUPAC name</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all; text-align:left; padding-left:1.5em; text-indent:-1.5em;"><li style="line-height: inherit; margin: 0"><div style="font-size: 97%;">3-Ethyl-5-phenyl-imidazolidine-2,4-dione</div></li></ul> </div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/CAS_Registry_Number" title="CAS Registry Number">CAS Number</a></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="commonchemistry.cas.org"><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=86-35-1">86-35-1</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/PubChem#CID" title="PubChem">PubChem</a> <span style="font-weight:normal"><abbr title="Compound ID">CID</abbr></span></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="pubchem.ncbi.nlm.nih.gov"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/3292">3292</a></span></li></ul></div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/Guide_to_Pharmacology" title="Guide to Pharmacology">IUPHAR/BPS</a></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.guidetopharmacology.org"><a rel="nofollow" class="external text" href="https://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=7183">7183</a></span></li></ul></div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/DrugBank" title="DrugBank">DrugBank</a></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.drugbank.ca"><a rel="nofollow" class="external text" href="https://www.drugbank.ca/drugs/DB00754">DB00754</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/ChemSpider" title="ChemSpider">ChemSpider</a></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.chemspider.com"><a rel="nofollow" class="external text" href="https://www.chemspider.com/Chemical-Structure.3176.html">3176</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/Unique_Ingredient_Identifier" title="Unique Ingredient Identifier">UNII</a></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="precision.fda.gov"><a rel="nofollow" class="external text" href="https://precision.fda.gov/uniisearch/srs/unii/46QG38NC4U">46QG38NC4U</a></span></li></ul></div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/KEGG" title="KEGG">KEGG</a></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.kegg.jp"><a rel="nofollow" class="external text" href="https://www.kegg.jp/entry/D00708">D00708</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/ChEBI" title="ChEBI">ChEBI</a></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.ebi.ac.uk"><a rel="nofollow" class="external text" href="https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:4888">CHEBI:4888</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/ChEMBL" title="ChEMBL">ChEMBL</a></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.ebi.ac.uk"><a rel="nofollow" class="external text" href="https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/ChEMBL1095">ChEMBL1095</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/CompTox_Chemicals_Dashboard" title="CompTox Chemicals Dashboard">CompTox Dashboard</a> <span style="font-weight:normal">(<abbr title="U.S. Environmental Protection Agency">EPA</abbr>)</span></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="comptox.epa.gov"><a rel="nofollow" class="external text" href="https://comptox.epa.gov/dashboard/chemical/details/DTXSID6023020">DTXSID6023020</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q4533122#P3117" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li></ul></div></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/ECHA_InfoCard" class="mw-redirect" title="ECHA InfoCard"><span title="echa.europa.eu">ECHA InfoCard</span></a></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://echa.europa.eu/substance-information/-/substanceinfo/100.001.514">100.001.514</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q4533122#P2566" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></td></tr><tr><th colspan="2" class="infobox-header" style="background:#ddd">Chemical and physical data</th></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/Chemical_formula" title="Chemical formula">Formula</a></th><td class="infobox-data"><span title="Carbon">C</span><sub>11</sub><span title="Hydrogen">H</span><sub>12</sub><span title="Nitrogen">N</span><sub>2</sub><span title="Oxygen">O</span><sub>2</sub></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;"><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a></th><td class="infobox-data"><span class="nowrap"><span data-sort-value="7002204229000000000♠"></span>204.229</span> g·mol<sup>−1</sup></td></tr><tr><th scope="row" class="infobox-label" style="line-height:1.2em;">3D model (<a href="/wiki/JSmol" class="mw-redirect" title="JSmol">JSmol</a>)</th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="chemapps.stolaf.edu (3D interactive model)"><a rel="nofollow" class="external text" href="https://chemapps.stolaf.edu/jmol/jmol.php?model=O%3DC2NC%28c1ccccc1%29C%28%3DO%29N2CC">Interactive image</a></span></li></ul></div></td></tr><tr><td colspan="2" class="infobox-full-data"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold;"><div><a href="/wiki/Simplified_molecular-input_line-entry_system" class="mw-redirect" title="Simplified molecular-input line-entry system">SMILES</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="word-wrap:break-word; text-indent:-1.5em; text-align:left; padding-left:1.5em; font-size:97%; line-height:120%;">O=C2NC(c1ccccc1)C(=O)N2CC</div></li></ul> </div></td></tr><tr><td colspan="2" class="infobox-full-data"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold;"><div><a href="/wiki/International_Chemical_Identifier" title="International Chemical Identifier">InChI</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="word-wrap:break-word; text-indent:-1.5em; text-align:left; padding-left:1.5em; font-size:97%; line-height:120%;">InChI=1S/C11H12N2O2/c1-2-13-10(14)9(12-11(13)15)8-6-4-3-5-7-8/h3-7,9H,2H2,1H3,(H,12,15)<sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></div></li><li style="line-height: inherit; margin: 0"><div style="word-wrap:break-word; text-indent:-1.5em; text-align:left; padding-left:1.5em; font-size:97%; line-height:120%;">Key:SZQIFWWUIBRPBZ-UHFFFAOYSA-N<sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></div></li></ul> </div></td></tr><tr><td colspan="2" class="infobox-below"><style data-mw-deduplicate="TemplateStyles:r886047488">.mw-parser-output .nobold{font-weight:normal}</style><span class="nobold">  <span class="reflink plainlinks nourlexpansion"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:ComparePages&rev1=461096712&page2=Ethotoin">(verify)</a></span></span></td></tr></tbody></table> <p><b>Ethotoin</b> (previously marketed as <b>Peganone</b>) is an <a href="/wiki/Anticonvulsant" title="Anticonvulsant">anticonvulsant</a> drug used in the treatment of <a href="/wiki/Epilepsy" title="Epilepsy">epilepsy</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> It is a <a href="/wiki/Hydantoin" title="Hydantoin">hydantoin</a>, similar to <a href="/wiki/Phenytoin" title="Phenytoin">phenytoin</a>. It is not available in the United States. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Mechanism_of_action">Mechanism of action</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethotoin&action=edit&section=1" title="Edit section: Mechanism of action"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Mechanism_of_action" title="Mechanism of action">mechanism of action</a> of ethotoin is similar to that of phenytoin.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (January 2024)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading2"><h2 id="Approval_history">Approval history</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethotoin&action=edit&section=2" title="Edit section: Approval history"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><b>1957</b> Peganone was granted <a href="/wiki/Food_and_Drug_Administration" title="Food and Drug Administration">Food and Drug Administration</a> (FDA) approval to <a href="/wiki/Abbott_Laboratories" title="Abbott Laboratories">Abbott Laboratories</a> for treatment of grand mal (tonic clonic) and partial complex (psychomotor) seizures.</li> <li><b>2003</b> Peganone was acquired from Abbott Laboratories by Ovation Pharmaceuticals (specialty pharmaceutical company who acquire underpromoted branded pharmaceutical products).</li> <li><b>2018</b> It was announced by Recordati Rare Diseases Inc. that due to a combination of low product demand and complex manufacturing difficulties, product manufacturing, distribution and sale was being discontinued.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Indications_and_usage">Indications and usage</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethotoin&action=edit&section=3" title="Edit section: Indications and usage"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ethotoin is indicated for tonic-clonic and partial complex seizures.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Dosing">Dosing</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethotoin&action=edit&section=4" title="Edit section: Dosing"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ethotoin is available in 250 mg tablets.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> It is taken orally in 4 to 6 divided doses per day, preferably after food. </p> <div class="mw-heading mw-heading2"><h2 id="Side_effects">Side effects</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethotoin&action=edit&section=5" title="Edit section: Side effects"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Side effects include <a href="/wiki/Ataxia" title="Ataxia">ataxia</a>, visual disturbances, rash, and <a href="/wiki/Gastrointestinal_tract" title="Gastrointestinal tract">gastrointestinal</a> problems.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (January 2024)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading2"><h2 id="Chemistry">Chemistry</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethotoin&action=edit&section=6" title="Edit section: Chemistry"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ethotoin is synthesized by the reaction of benzaldehyde oxynitrile (<b>2</b>) with <a href="/wiki/Urea" title="Urea">urea</a> or <a href="/wiki/Ammonium_bicarbonate" title="Ammonium bicarbonate">ammonium bicarbonate</a>, which forms an intermediate urea derivative (<b>3</b>) which on acidic conditions cyclizes to 5-phenylhydantoin (<b>4</b>).<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Alkylation of this product using <a href="/wiki/Ethyl_iodide" title="Ethyl iodide">ethyl iodide</a> leads to the formation of ethotoin (<b>5</b>). </p> <dl><dd><figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Ethotoin_synthesis.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/53/Ethotoin_synthesis.png/800px-Ethotoin_synthesis.png" decoding="async" width="800" height="121" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/53/Ethotoin_synthesis.png/1200px-Ethotoin_synthesis.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/53/Ethotoin_synthesis.png/1600px-Ethotoin_synthesis.png 2x" data-file-width="2366" data-file-height="359" /></a><figcaption>Synthesis of ethotoin</figcaption></figure></dd></dl> <div style="clear:left;" class=""></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ethotoin&action=edit&section=7" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFSchwadeRichardsEverett1956" class="citation journal cs1">Schwade ED, Richards RK, Everett GM (May 1956). "Peganone, a new antiepileptic drug". <i>Dis Nerv Syst</i>. <b>17</b> (5): 155–8. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/13317788">13317788</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Dis+Nerv+Syst&rft.atitle=Peganone%2C+a+new+antiepileptic+drug&rft.volume=17&rft.issue=5&rft.pages=155-8&rft.date=1956-05&rft_id=info%3Apmid%2F13317788&rft.aulast=Schwade&rft.aufirst=ED&rft.au=Richards%2C+RK&rft.au=Everett%2C+GM&rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthotoin" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFShorvon,_S.D.Fish,_David_R.Perucca,_EmilioDodson,_W._Edwin2004" class="citation book cs1">Shorvon, S.D.; Fish, David R.; Perucca, Emilio; Dodson, W. Edwin, eds. (2004). <i>The Treatment of Epilepsy</i>. Blackwell Publishing. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-632-06046-8" title="Special:BookSources/0-632-06046-8"><bdi>0-632-06046-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Treatment+of+Epilepsy&rft.pub=Blackwell+Publishing&rft.date=2004&rft.isbn=0-632-06046-8&rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthotoin" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.drugs.com/search.php?searchterm=ethotoin">"Ethotoin"</a>. <i>drugs.com</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=drugs.com&rft.atitle=Ethotoin&rft_id=https%3A%2F%2Fwww.drugs.com%2Fsearch.php%3Fsearchterm%3Dethotoin&rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthotoin" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://ovationpharmaceuticals.com/images/products/pdf/peganone_pi.pdf">"PEGANONE 250 mg Ethotoin Tablets, USP"</a> <span class="cs1-format">(PDF)</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=PEGANONE+250+mg+Ethotoin+Tablets%2C+USP&rft_id=http%3A%2F%2Fovationpharmaceuticals.com%2Fimages%2Fproducts%2Fpdf%2Fpeganone_pi.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AEthotoin" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text">A. Pinner, Chem. Ber., 21, 2324 (1888); W.J. Close, <span><a rel="nofollow" class="external text" href="https://patents.google.com/patent/US2793157">U.S. patent 2,793,157</a></span> (1946)</span> </li> </ol></div></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": 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aria-labelledby="Anticonvulsants_(N03)" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Anticonvulsants" title="Template:Anticonvulsants"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Anticonvulsants" title="Template talk:Anticonvulsants"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Anticonvulsants" title="Special:EditPage/Template:Anticonvulsants"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Anticonvulsants_(N03)" style="font-size:114%;margin:0 4em"><a href="/wiki/Anticonvulsant" title="Anticonvulsant">Anticonvulsants</a> (<a href="/wiki/ATC_code_N03" title="ATC code N03">N03</a>)</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/GABAergic" title="GABAergic">GABAergics</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/GABAA_receptor" title="GABAA receptor">GABA<sub>A</sub>R</a> <a href="/wiki/Allosteric_modulator" title="Allosteric modulator">PAMs</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b><a href="/wiki/Barbiturate" title="Barbiturate">Barbiturates</a>:</b> <a href="/wiki/Barbexaclone" title="Barbexaclone">Barbexaclone</a></li> <li><a href="/wiki/Metharbital" title="Metharbital">Metharbital</a></li> <li><a href="/wiki/Methylphenobarbital" title="Methylphenobarbital">Methylphenobarbital</a></li> <li><a href="/wiki/Pentobarbital" title="Pentobarbital">Pentobarbital</a></li> <li><a href="/wiki/Phenobarbital" title="Phenobarbital">Phenobarbital</a><sup>#</sup></li> <li><a href="/wiki/Primidone" title="Primidone">Primidone</a>; <b><a href="/wiki/Carbamate" title="Carbamate">Carbamates</a></b>: <a href="/wiki/Cenobamate" title="Cenobamate">Cenobamate</a></li> <li><a href="/wiki/Felbamate" title="Felbamate">Felbamate</a>; <b><a href="/wiki/Benzodiazepine" title="Benzodiazepine">Benzodiazepines</a></b>: <a href="/wiki/Clobazam" title="Clobazam">Clobazam</a></li> <li><a href="/wiki/Clonazepam" title="Clonazepam">Clonazepam</a></li> <li><a href="/wiki/Clorazepate" title="Clorazepate">Clorazepate</a></li> <li><a href="/wiki/Diazepam" title="Diazepam">Diazepam</a><sup>#</sup></li> <li><a href="/wiki/Lorazepam" title="Lorazepam">Lorazepam</a><sup>#</sup></li> <li><a href="/wiki/Midazolam" title="Midazolam">Midazolam</a></li> <li><a href="/wiki/Nimetazepam" title="Nimetazepam">Nimetazepam</a></li> <li><a href="/wiki/Nitrazepam" title="Nitrazepam">Nitrazepam</a></li> <li><a href="/wiki/Temazepam" title="Temazepam">Temazepam</a>; <b>Others:</b> <a href="/wiki/Bromide" title="Bromide">Bromide</a> (<a href="/wiki/Potassium_bromide" title="Potassium bromide">potassium bromide</a>, <a href="/wiki/Sodium_bromide" title="Sodium bromide">sodium bromide</a>)</li> <li><a href="/wiki/Imepitoin" title="Imepitoin">Imepitoin</a></li> <li><a href="/wiki/Paraldehyde" title="Paraldehyde">Paraldehyde</a></li> <li><a href="/wiki/Stiripentol" title="Stiripentol">Stiripentol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/GABA_transaminase_inhibitor" title="GABA transaminase inhibitor">GABA-T inhibitors</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b><a href="/wiki/Fatty_acid" title="Fatty acid">Fatty acids</a> (and related):</b> <a href="/wiki/Valproate" title="Valproate">Valproate</a></li> <li><a href="/wiki/Valpromide" title="Valpromide">Valpromide</a></li> <li><a href="/wiki/Valproate_pivoxil" title="Valproate pivoxil">Valproate pivoxil</a></li> <li><a href="/wiki/Vigabatrin" title="Vigabatrin">Vigabatrin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Others</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b><a href="/wiki/GABA_receptor_agonist" title="GABA receptor agonist">GABAR agonists</a></b>: <a href="/wiki/Progabide" title="Progabide">Progabide</a>; <b><a href="/wiki/GABA_reuptake_inhibitor" title="GABA reuptake inhibitor">GAT-1 inhibitors</a>:</b> <a href="/wiki/Tiagabine" title="Tiagabine">Tiagabine</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Channel_modulator" title="Channel modulator">Channel<br />modulators</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sodium_channel_blocker" title="Sodium channel blocker">Sodium blockers</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b><a href="/wiki/Hydantoin" title="Hydantoin">Hydantoins</a>:</b> <a class="mw-selflink selflink">Ethotoin</a></li> <li><a href="/wiki/Fosphenytoin" title="Fosphenytoin">Fosphenytoin</a></li> <li><a href="/wiki/Mephenytoin" title="Mephenytoin">Mephenytoin</a></li> <li><a href="/wiki/Phenytoin" title="Phenytoin">Phenytoin</a><sup>#</sup>; <b><a href="/wiki/Acylurea" title="Acylurea">Ureides</a>:</b> <a href="/w/index.php?title=Acetylpheneturide&action=edit&redlink=1" class="new" title="Acetylpheneturide (page does not exist)">Acetylpheneturide</a></li> <li><a href="/wiki/Chlorphenacemide" title="Chlorphenacemide">Chlorphenacemide</a></li> <li><a href="/wiki/Phenacemide" title="Phenacemide">Phenacemide</a><sup>‡</sup></li> <li><a href="/wiki/Pheneturide" title="Pheneturide">Pheneturide</a>; <b><a href="/wiki/Fatty_acid" title="Fatty acid">Fatty acids</a>:</b> <a href="/wiki/Valproate" title="Valproate">Valproate</a></li> <li><a href="/wiki/Valpromide" title="Valpromide">Valpromide</a></li> <li><a href="/wiki/Valproate_pivoxil" title="Valproate pivoxil">Valproate pivoxil</a>; <b><a href="/wiki/Carboxamide" class="mw-redirect" title="Carboxamide">Carboxamides</a>:</b></li> <li><a href="/wiki/Carbamazepine" title="Carbamazepine">Carbamazepine</a><sup>#</sup></li> <li><a href="/wiki/Eslicarbazepine_acetate" title="Eslicarbazepine acetate">Eslicarbazepine acetate</a></li> <li><a href="/wiki/Oxcarbazepine" title="Oxcarbazepine">Oxcarbazepine</a>; <b>Others:</b> <a href="/wiki/Lacosamide" title="Lacosamide">Lacosamide</a></li> <li><a href="/wiki/Lamotrigine" title="Lamotrigine">Lamotrigine</a><sup>#</sup></li> <li><a href="/wiki/Rufinamide" title="Rufinamide">Rufinamide</a></li> <li><a href="/wiki/Topiramate" title="Topiramate">Topiramate</a></li> <li><a href="/wiki/Zonisamide" title="Zonisamide">Zonisamide</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Calcium_channel_blocker" title="Calcium channel blocker">Calcium blockers</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b><a href="/wiki/2,4-Oxazolidinedione" title="2,4-Oxazolidinedione">Oxazolidinediones</a>:</b> <a href="/wiki/Ethadione" title="Ethadione">Ethadione</a></li> <li><a href="/wiki/Paramethadione" title="Paramethadione">Paramethadione</a></li> <li><a href="/wiki/Trimethadione" title="Trimethadione">Trimethadione</a>; <b><a href="/wiki/Succinimide" title="Succinimide">Succinimides</a></b>: <a href="/wiki/Ethosuximide" title="Ethosuximide">Ethosuximide</a><sup>#</sup></li> <li><a href="/wiki/Mesuximide" title="Mesuximide">Mesuximide</a></li> <li><a href="/wiki/Phensuximide" title="Phensuximide">Phensuximide</a>; <b><a href="/wiki/Gabapentinoid" title="Gabapentinoid">Gabapentinoids</a>:</b> <a href="/wiki/Gabapentin" title="Gabapentin">Gabapentin</a></li> <li><a href="/wiki/Pregabalin" title="Pregabalin">Pregabalin</a>; <b>Others:</b> <a href="/wiki/Imepitoin" title="Imepitoin">Imepitoin</a></li> <li><a href="/wiki/Lamotrigine" title="Lamotrigine">Lamotrigine</a><sup>#</sup></li> <li><a href="/wiki/Topiramate" title="Topiramate">Topiramate</a></li> <li><a href="/wiki/Zonisamide" title="Zonisamide">Zonisamide</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Potassium_channel_opener" title="Potassium channel opener">Potassium openers</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Retigabine" title="Retigabine">Retigabine</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Others</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Carbonic_anhydrase_inhibitor" title="Carbonic anhydrase inhibitor">CA inhibitors</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b><a href="/wiki/Sulfonamide_(medicine)#Anticonvulsant" title="Sulfonamide (medicine)">Sulfonamides</a>:</b> <a href="/wiki/Acetazolamide" title="Acetazolamide">Acetazolamide</a></li> <li><a href="/wiki/Ethoxzolamide" title="Ethoxzolamide">Ethoxzolamide</a></li> <li><a href="/wiki/Sultiame" title="Sultiame">Sultiame</a></li> <li><a href="/wiki/Topiramate" title="Topiramate">Topiramate</a></li> <li><a href="/wiki/Zonisamide" title="Zonisamide">Zonisamide</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Others</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Albutoin" title="Albutoin">Albutoin</a></li> <li><a href="/wiki/Beclamide" title="Beclamide">Beclamide</a></li> <li><a href="/wiki/Brivaracetam" title="Brivaracetam">Brivaracetam</a></li> <li><a href="/wiki/Cannabidiol" title="Cannabidiol">Cannabidiol</a></li> <li><a href="/wiki/Carisbamate" title="Carisbamate">Carisbamate</a></li> <li><a href="/wiki/Etiracetam" title="Etiracetam">Etiracetam</a></li> <li><a href="/wiki/Fenfluramine" title="Fenfluramine">Fenfluramine</a></li> <li><a href="/wiki/Ganaxolone" title="Ganaxolone">Ganaxolone</a></li> <li><a href="/wiki/Levetiracetam" title="Levetiracetam">Levetiracetam</a></li> <li><a href="/wiki/Perampanel" title="Perampanel">Perampanel</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="background: transparent; padding: 0px;"><div><div class="hlist"> <ul><li><sup>#</sup><a href="/wiki/WHO_Model_List_of_Essential_Medicines" title="WHO Model List of Essential Medicines">WHO-EM</a></li> <li><sup>‡</sup><a href="/wiki/List_of_withdrawn_drugs" title="List of withdrawn drugs">Withdrawn</a> from market</li> <li><a href="/wiki/Clinical_trial" title="Clinical trial">Clinical trials</a>: <ul><li><sup>†</sup><a href="/wiki/Phases_of_clinical_research#Phase_III" title="Phases of clinical research">Phase III</a></li> <li><sup>§</sup>Never to phase III</li></ul></li></ul> </div></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Ethotoin&oldid=1198624378">https://en.wikipedia.org/w/index.php?title=Ethotoin&oldid=1198624378</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Anticonvulsants" 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