Lv, Zhiliang; Sheng, Chunquan; Wang, Tiantian; Zhang, Yikai; Liu, Jia; Feng, Jilu; Sun, Hailing; Zhong, Hanyu; Niu, Chunjuan; Li, Ke Journal of Medicinal Chemistry, 2010 , vol. 53, # 2 p. 660 - 668