Lurtotecan [inn]

11H-1,4-Dioxino(2,3-G)pyrano(3',4':6,7)indolizino(1,2-B)quinoline-9,12(8H,14H)-dione, 8-ethyl-2,3-dihydro-8-hydroxy-15-((4-methyl-1-piperazinyl)methyl)-, (8S)-