(S)-10-((dimethylamino)methyl)-4-ethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione; (S)-10-[(Dimethylamino)methyl]-4-ethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione; Topotecan; 10-Hydroxy-9-[(dimethylamino)methyl]-(20S)-camptothecin; 9-(N,N-Dimethylaminomethyl)-10-hydroxycamptothecin; Hycamptamine; Hycamptin; NSC 609699; Nogitecan; SKF 104864; SKF-S 104864; TopoCED; Topophore C; Topotecan Lactone