Synthesis, Characterization and Anti-tumor Activity of Ursolic Acid Derivatives
LIN Feng-Ping1, SHAO Jing-Wei1*, DU Hua-Dong1, DAI Yong-Chao1, WANG Tao2
Chinese Journal of Applied Chemistry . 2010, (08): 893 -898 .  DOI: 10.3724/SP.J.1095.2010.90706