1 SA3 2,10-dihydroxy-12-(beta-D-glucopyranosyl)-6,7,12,13-tetrahydroindolo[2,3-a]pyrrolo[3,4-C]carbazole-5,7-dione 1.000 2 BY9 12-beta-D-glucopyranosyl-12,13-dihydro-5h-indolo[2,3-a]pyrrolo[3,4-C]carbazole-5,7(6h)-dione 0.947 3 VI4 13-(3-amino-2,3,6-trideoxy-alpha-L-ribo-hexopyranosyl)-6,7,12,13-tetrahydro-5h-indolo[2,3-a]pyrrolo[3,4-C]carbazol-5-one 0.821 4 UCM Rel-(9r,12s)-9,10,11,12-tetrahydro-9,12-epoxy-1h-diindolo[1,2,3-fg:3',2',1'-kl]pyrrolo[3,4-I][1,6]benzodiazocine-1,3(2h)-dione 0.744 5 UCN 7-hydroxystaurosporine 0.721