Sheng, Chunquan; Wang, Wenya; Che, Xiaoying; Dong, Guoqiang; Wang, Shengzheng; Ji, Haitao; Miao, Zhenyuan; Yao, Jianzhong; Zhang, Wannian ChemMedChem, 2010 , vol. 5, # 3 p. 390 - 397