1937-19-5 79-17-4 87667-21-8 AI3-60240 Aminoguanidine hydrochloride Aminoguanidine monohydrochloride Carbazamidine monohydrochloride EINECS 217-707-7 GER-11 GUANIDINE, AMINO-, HYDROCHLORIDE Guanylhydrazine hydrochloride Hydrazinecarboximidamide hydrochloride Hydrazinecarboximidamide, monohydrochloride Pimagedine hydrochloride Pimagedine hydrochloride [USAN]