2-Propenoic acid, 3-phenyl-, 5-((dimethylamino)methyl)-1,2,5-trimethyl-4-phenyl-4-piperidinyl ester, dihydrochloride 36174-38-6 4-Piperidinol, 5-dimethylaminomethyl-4-phenyl-1,2,5-trimethyl-, cinnamate, dihydrochloride 5-Dimethylaminomethyl-4-phenyl-1,2,5-trimethyl-4-piperidinol cinnamate dihydrochloride