2-(1-Pyrrolidinyl)ethyl 1-hydroxycycloheptanecarboxylate hydrochloride 62791-50-8 Chlorhydrate de l'hydroxy-1 cycloheptanecarboxylate du pyrrolidineethanol [French] Cycloheptanecarboxylic acid, 1-hydroxy-, 2-(1-pyrrolidinyl)ethyl ester, hydrochloride