1-(3-Imidazol-4-ylpropyl)-3-(2-(((5-methylimidazol-4-yl)methyl)thio)ethyl)guanidine trihydrochloride 55273-05-7 65573-02-6 Guanidine, N-(3-(1H-imidazol-4-yl)propyl)-N'-(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)-, trihydrochloride Impromidine hydrochloride [USAN] Impromidine trihydrochloride SKF 92676-A 3