RUBETICAN

9-NITRO-CPT

10-Nitro-CaMptothecin

CAMPTOTHECIN, 9-NITRO-20(S)-

4-Ethyl-4-hydroxy-9-nitro-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione