131206-46-7 7-Methyl-10-bromoacetamidomethylcamptothecin Acetamide, 2-bromo-N-((4-ethyl-3,4,12,14-tetrahydro-4-hydroxy-11-methyl-3,14-dioxo-1H-pyrano(3',4':6,7)indolizino(1,2-b)quinolin-9-yl)methyl)-, (S)- Brcptme