43021-26-7 8-Azabicyclo(3.2.1)oct-2-ene-2-carboxylic acid, 8-methyl-, methyl ester, (1R)- 8-Azabicyclo(3.2.1)oct-2-ene-2-carboxylic acid, 8-methyl-, methyl ester, (1R,5S)- Anhydroecgonine methyl ester Anhydromethylecgonine Methylecgonidine