1 D7L 6-hydroxy-16-methoxy-11-methyl-2-oxa-11-azatetracyclo[8.6.1.03,8.013,17]heptadeca-1(16),3,5,7,9,13(17),14-heptaen-12-one 1.000 2 D6R 6,16-dimethoxy-11-methyl-2-oxa-11-azatetracyclo[8.6.1.03,8.013,17]heptadeca-1(17),3,5,7,9,13,15-heptaen-12-one 0.875 3 GNT (-)-galanthamine 0.792 4 D9C 4-ethoxy-5,16-dimethoxy-11-methyl-2-oxa-11-azatetracyclo[8.6.1.03,8.013,17]heptadeca-1(17),3,5,7,9,13,15-heptaen-12-one 0.778 5 79X 2-hydroxy-8,9-dimethoxy-6h-isoindolo[2,1-a]indol-6-one 0.760 6 D6U 16-methoxy-11-methyl-6-[(pyridin-2-yl)methoxy]-2-oxa-11-azatetracyclo[8.6.1.03,8.013,17]heptadeca-1(16),3,5,7,9,13(17),14-heptaen-12-one 0.700 7 D7F 6-[2-(diethylamino)ethoxy]-16-methoxy-11-methyl-2-oxa-11-azatetracyclo[8.6.1.03,8.013,17]heptadeca-1(17),3,5,7,9,13,15-heptaen-12-one 0.700