4-ethyl-4-hydroxy-1H-pyrano[3’,4’:6,7]indolizino[1,2-b] quinoline-3,14-(4H,12H)-dione A cytotoxic quinoline alkaloid that inhibits the DNA enzyme topoisomerase I (Topo I). Supplied as 1ml 2mM Features Synonym: CPT CAS Number: 7689-03-4 Linear Formula: …