1 GNT (-)-galanthamine 1.000 2 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 0.792 3 4NQ Dextromethorphan 0.783 4 D4R (4r,7ar,12bs)-7,9-dimethoxy-3-methyl-2,4,7a,13-tetrahydro-1h-4,12-methanobenzofuro[3,2-E]isoquinoline 0.760 5 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 0.760 6 OOX 14-hydroxy-3-methoxy-17-methyl-5beta-4,5-epoxymorphinan-6-one 0.760 7 G3X (4as,6r,8as)-3-methoxy-11-(3-piperidin-1-ylpropyl)-5,6,9,10,11,12-hexahydro-4ah-[1]benzofuro[3a,3,2-ef][2]benzazepin-6-ol 0.724 8 5RL 6-methyl-5,6,6~{a},7-tetrahydro-4~{H}-dibenzo[de,G]quinoline-10,11-diol 0.708 9 7VC 4-(7-methoxyquinolin-4-yl)-2-methyl-phenol 0.708 10 OR9 (6ar)-6-methyl-5,6,6a,7-tetrahydro-4h-dibenzo[de,G]quinoline-10,11-diol 0.708