1-(3-Imidazol-4-ylpropyl)-3-(2-(((5-methylimidazol-4-yl)methyl)thio)ethyl)guanidin 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)- IMPROMIDINE Impromidina [INN-Spanish] Impromidinum [INN-Latin]