7143-09-1 8-Azabicyclo(3.2.1)octane-2-carboxylic acid, 3-hydroxy-8-methyl-, methyl ester, (1R,2R,3S,5S)- 8-Azabicyclo(3.2.1)octane-2-carboxylic acid, 3-hydroxy-8-methyl-, methyl ester, (1R-(exo,exo))- Ecgonine methyl ester Methyl ecgonine