2498-50-2 4-Aminobenzamidine dihydrochloride 4-Aminobenzenecarboximidamide dihydrochloride Benzamidine, p-amino-, dihydrochloride Benzenecarboximidamide, 4-amino-, dihydrochloride EINECS 219-692-2 p-Aminobenzamidine dihydrochloride