37906-95-9 BICYCLO(5.1.0)OCTA-2,4-DIENE-8-CARBOXYLIC ACID, 2-(1-PYRROLIDINYL)ETHYL ESTER, H Bicyclo(5.1.0)octa-2,4-diene-8-carboxylic acid, 2-(1-pyrrolidinyl)ethyl ester, hydrochloride MP 22