6H-6,10:11,12a-dimethanoindolo[3,2-b]quinolizine-9-carboxaldehyde, 13-(acetyloxy)-8,9,10,11,11a,12-hexahydro-8-methyl- 9-formyl-8-methyl-8,9,10,11,11a,12-hexahydro-6H-6,10:11,12a-dimethanoindolo[3,2-b]quinolizin-13-yl acetate InChI=1/C21H22N2O3/c1-10-13(9-24)12-7-16-19-21(14-5-3-4-6-15(14)22-19)8-17(23(10)16)18(12)20(21)26-11(2)25/h3-6,9-10,12-13,16-18,20H,7-8H2,1-2H