2,2'-Azobis(2-amidinopropane) dihydrochloride2997-92-4100 % similar 2,2-Dimethylpropionamidine hydrochloride18202-73-856 % similar 2,2′-Azobis[2-(2-imidazolin-2-yl)propane] dihydrochloride27776-21-235 % similar Guanidinium chloride50-01-132 % similar 1-Methylguanidine hydrochloride21770-81-031 % similar Methylguanidine hydrochloride22661-87-631 % similar Propanimidamide hydrochloride3599-89-130 % similar O-Methylisourea hydrochloride5329-33-930 % similar