137220-02-1 3-(Benzoyloxy)-8-azabicyclo(3.2.1)octane-2-carboxylic acid ethyl ester 8-Azabicyclo(3.2.1)octane-2-carboxylic acid, 3-(benzoyloxy)-, ethyl ester, (1R-(exo,exo))- Benzoylnorecgonine ethyl ester Ethyl (1R-(exo,exo))-3-(benzoyloxy)-8-azabiyclo(3.2.1)octane-2-carboxylate Norcocaethylene