1,3-Dimethyl-4-piperidyl phenylcyclopentylglycolate hydrochloride 101710-79-6 MANDELIC ACID, alpha-CYCLOPENTYL-, 1,3-DIMETHYL-4-PIPERIDYL ESTER, HYDROCHLORIDE alpha-Cyclopentylmandelic acid 1,3-dimethyl-4-piperidyl ester hydrochloride