Liu, Jie; Liu, Qin; Yang, Xue; Xu, Shengtao; Zhang, Hengyuan; Bai, Renren; Yao, Hequan; Jiang, Jieyun; Shen, Mingqin; Wu, Xiaoming; Xu, Jinyi Bioorganic and Medicinal Chemistry, 2013 , vol. 21, # 24 p. 7742 - 7751