2,2-Diphenyl-2-methoxyacetic acid (1-methyl-4-piperidyl)methyl ester hydrochloride 2886-62-6 ACETIC ACID, 2,2-DIPHENYL-2-METHOXY-, (1-METHYL-4-PIPERIDYL)METHYL ESTER, HYDROC Acetic acid, 2,2-diphenyl-2-methoxy-, (1-methyl-4-piperidyl)methyl ester, hydrochloride