122892-31-3 Benzamide, N-((4-(2-(dimethylamino)ethoxy)phenyl)methyl)-3,4-dimethoxy-, monohydrochloride Hsr 803 N-((4-(2-(Dimethylamino)ethoxy)phenyl)methyl)-3,4-dimethoxybenzamide monohydrochloride N-(4-(2-(Dimethylamino)ethoxy)benzyl)-3,4-dimethoxidebenzamide hydrochloride