Li, Xianfeng; Zhang, Yong-Kang; Plattner, Jacob J.; Mao, Weimin; Alley; Xia, Yi; Hernandez, Vincent; Zhou, Yasheen; Ding, Charles Z.; Li, Jinpeng; Shao, Zhijun; Zhang, Hongwei; Xu, Musheng Bioorganic and Medicinal Chemistry Letters, 2013 , vol. 23, # 4 p. 963 - 966