(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-D6; (4S)-10-[(Dimethylamino-d6)methyl]-4-ethyl-4,9-dihydroxy-1H-pyrano[3’,4’,6-7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione; NSC-609669-d6; SKF-104864A-d6; Hycamtin-d6;
