1-(1-Phenethyl)-imidazole-5-carboxylic acid, methyl ester, hydrochloride 1H-Imidazole-5-carboxylic acid, 1-(1-phenylethyl)-, methyl ester, monohydrochloride (9CI) 35944-74-2 36557-22-9 EINECS 253-104-5 Hypnodil hydrochloride Imidazole-5-carboxylic acid, 1-(alpha-methylbenzyl)-, methyl ester, hydrochloride Metomidat-hydrochloride Metomidate hydrochloride NSC 168403 R-7315