2H-2,7a-methanoindolo[2,3-a]quinolizine-13-carboxylic acid, 3-ethylidene-1,3,4,6,7,12b-hexahydro-, methyl ester, (2S,3E,12bS)- InChI=1/C20H22N2O2/c1-3-12-11-22-9-8-20-14-6-4-5-7-15(14)21-18(20)16(22)10-13(12)17(20)19(23)24-2/h3-7,13,16-17H,8-11H2,1-2H3/b12-3-/t13-,16+,17?,20?/m1/s Strictamine methyl (15alpha,16xi,19E)-akuammilan-17-oate