Synonyms: BRN 0199837;Amobarbital M (OH, -H2O);5-Ethyl-5-(3-methyl-2-butenyl)barbituric acid;5-Ethyl-5-(3'-methylbut-2'-enyl)barbituric acid;Barbituric acid, 5-ethyl-5-(3-methyl-2-butenyl)-;5-Ethyl-5-(3-methyl-2-butenyl)-2,4,6(1H,3H,5H)-pyrimidinetrione;AC1L3GIL;21149-87-1 (hydrochloride salt);LS-24379;5-ethyl-5-(3-methylbut-2-enyl)-1,3-diazinane-2,4,6-trione;5-ethyl-5-(3-methylbut-2-en-1-yl)pyrimidine-2,4,6(1H,3H,5H)-trione