He, Jun-Bo; Ren, Yan-Liang; Sun, Qiu-Shuang; You, Ge-Yun; Zhang, Li; Zou, Peng; Feng, Ling-Ling; Wan, Jian; He, Hong-Wu Bioorganic and Medicinal Chemistry, 2014 , vol. 22, # 12 p. 3180 - 3186