117018-94-7 2-Methyl-2-(2-oxo-1-pyrrolidinyl)propyl carbamimidothioate hydrochloride Carbamimidothioic acid, 2-methyl-2-(2-oxo-1-pyrrolidinyl)propyl ester, monohydrochloride N-(1,1-Dimethyl-2-S-isothiuroniaethyl)-2-pyrrolidone hydrochloride