O-Methylhydroxylamine hydrochloride593-56-6100 % similar O-Ethylhydroxylamine hydrochloride3332-29-435 % similar O-tert-Butylhydroxylamine hydrochloride39684-28-135 % similar Methylammonium chloride593-51-131 % similar O-Methylisourea hydrochloride5329-33-930 % similar N,O-Dimethylhydroxylamine hydrochloride6638-79-530 % similar