3-(Methyl-1,2,5,6-tetrahydropyridine)methyl alpha-cyclopentyl-alpha-phenylglycolate HCl 36174-87-5 MANDELIC ACID, alpha-CYCLOPENTYL-, (1-METHYL-1,2,5,6-TETRAHYDRO-4-PYRIDYL)METHYL Mandelic acid, alpha-cyclopentyl-, (1-methyl-1,2,5,6-tetrahydro-4-pyridyl)methyl ester, hydrochloride