Product Name:Camptothecin

Camptothecin (CPT) is a which the (topo I). It was discovered in 1966 by M. E. Wall and M. C. Wani in systematic of for anticancer . It was isolated from the and of (Camptotheca, Happy tree), a native in . CPT showed remarkable anticancer activity in preliminary but also low and . Because of these disadvantages have made numbers of derivatives to increase the benefits of the , with good results. Two CPT have been approved and are used in today, and .