3-Tropinyl cyclopentyl(phenyl)glycolate 37830-19-6 92340-66-4 Mandelic acid, alpha-cyclopentyl-, 1-alpha-H,5-alpha-H-tropan-3-alpha-yl ester Tropine phenylcyclopentylglycolate alpha-Cyclopentylmandelic acid 1-alpha-H,5-alpha-H-tropan-3-alpha-yl ester