117018-93-6 3-(2-Oxo-1-pyrrolidinyl)propyl carbamimidothioate hydrochloride Carbamimidothioic acid, 3-(2-oxo-1-pyrrolidinyl)propyl ester, monohydrochloride N-(S-gamma-(Isothiuroniapropyl))-2-pyrrolidone hydrochloride