1-Hydroxy-alpha-phenylcyclopentaneacetic acid 2-diethylaminoethyl ester 1-Hydroxycyclopentyl-alpha-phenylacetic acid beta-dimethylaminoethyl ester 52109-93-0 Benzeneacetic acid, alpha-(1-hydroxycyclopentyl)-, 2-(diethylamino)ethyl ester Cyclodrine Cyclopent Cyclopentaneacetic acid, 1-hydroxy-alpha-phenyl-, 2-diethylaminoethyl ester G.T. 92