Camptothecine Assay: 99% , 98% min CAS No: 7689-03-4 ... 2-b]quinoline-3,14(4H,12H)-dione; (+)-Camptothecin; Camptothecin, Camptotheca acuminata; 4-Ethyl-4-hydroxy-1H-pyrano-[3,4:6 ... found in the barks of the chinese camptotheca tree and the Asian nothapodytes tree. Camptotheca acuminate as the fruit and root ... the alkaloid-Camptothecin.Anti-cancer is the major pharmacodynamic effect. Camptothecine