Design and Synthesis of Pyrazol-Bridged Simplified Vinblastine Analogues
Guo Cuiping, Peng Qunlong, Pan Long, Zhang Dongmei, Chen Heru
Chin. J. Org. Chem. . 2014, (12): 2505 -2510 .  DOI: 10.6023/cjoc201407042