1-Methyl-4-piperidyl 3,4,5-trimethoxybenzoate hydrochloride 3612-12-2 4-Piperidinol, 1-methyl-, 3,4,5-trimethoxybenzoate, hydrochloride Benzoic acid, 3,4,5-trimethoxy-, 1-methyl-4-piperidinyl ester, hydrochloride