2,2-Diphenyl-2-methoxyacetic acid 2-(1-ethyl-2-pyrrolidinyl)ethyl ester hydrochloride 3137-27-7 ACETIC ACID, 2,2-DIPHENYL-2-METHOXY-, 2-(1-ETHYL-2-PYRROLIDINYL)ETHYL ESTER, HYD Acetic acid, 2,2-diphenyl-2-methoxy-, 2-(1-ethyl-2-pyrrolidinyl)ethyl ester, hydrochloride