Ni, Shuaishuai; Yuan, Yaxia; Huang, Jin; Mao, Xiaona; Lv, Maosheng; Zhu, Jin; Shen, Xu; Pei, Jianfeng; Lai, Luhua; Jiang, Hualiang; Li, Jian Journal of Medicinal Chemistry, 2009 , vol. 52, # 17 p. 5295 - 5298