7-Ethyl-10-hydroxycamptothecin Name 7-Ethyl-10-hydroxycamptothecinSynonyms 4,11-Diethyl-4,9-dihydroxy-1H-pyrano[3’,4’:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dioneMolecular Formula C22H20N2O5Molecular Weight 392.40CAS Registry Number 86639-52-3Purity 98% 7-Ethyl-10-hydroxycamptothecin