2,2-Diphenyl-2-methoxyacetic acid (1-methyl-3-piperidyl) ester hydrochloride 3138-69-0 ACETIC ACID, 2,2-DIPHENYL-2-METHOXY-, (1-METHYL-3-PIPERIDYL) ESTER, HYDROCHLORID Acetic acid, 2,2-diphenyl-2-methoxy-, (1-methyl-3-piperidyl) ester, hydrochloride