2-Aminoacetamidine dihydrobromide69816-37-1100 % similar S-Ethylthiuronium bromide1071-37-037 % similar S-(2-Aminoethyl)isothiuronium bromide hydrobromide56-10-036 % similar 2-Chloroacetamidine hydrochloride10300-69-335 % similar Propanimidamide hydrochloride3599-89-135 % similar Glycinamide598-41-433 % similar Butanimidamide hydrochloride3020-81-332 % similar 3-Amino-3-iminopropanamide hydrochloride34570-17-731 % similar