Fan, Wei; Wu, Yong; Li, Xian-Kun; Yao, Nian; Li, Xun; Yu, Yong-Guo; Hai, Li European Journal of Medicinal Chemistry, 2011, vol. 46, # 9 p. 3651 - 3661 doi: 10.1016/j.ejmech.2011.05.029