CJCU
Synthesis and Biological Evaluation of Oleanane Triterpenoid with γ-Lactone Functionality in Ring C
QIAN Shan, WU Yong, HE Yu-Xin, WANG Zhou-Yu, YANG Wen-Yu, CHEN Xin
Chem. J. Chinese Universities . 2012, (05): 969 -975 .  DOI: 10.3969/j.issn.0251-0790.2012.05.019