trans-2-Carbethoxycyclopentanol. 2-hydroxycyclopentanecarboxylic acid ethyl ester ethyl 2-hydroxycyclopentane-1-carboxylate ethyl 2-hydroxycyclopentanecarboxylate Cyclopentanecarboxylic acid, 2-hydroxy-, ethyl ester, (1R,2R)-rel- Ethyl trans-2-Hydroxycyclopentanoate