. "2,3,9,10-tetrafluoro-12-(5-fluoro-3,4-dihydroxy-6-hydroxymethyltetrahydro-2H-2-pyranyl)-6,7,12,13-tetrahydro-5H-indolo[2,3-a]pyrrolo[3,4-c]carbazole-5,7-dione" . "14" . . . . . .