Chen, Mi; Guo, Zhiqiang; Lanier, Marion C.; Zhao, Liren; Betz, Stephen F.; Huang, Charles Q.; Loweth, Colin J.; Ashweek, Neil J.; Liu, Xin-Jun; Struthers, R. Scott; Bradbury, Margaret J.; Behan, James W.; Wen, Jenny; O'Brien, Zhihong; Saunders, John; Zhu, Yun-Fei Bioorganic and Medicinal Chemistry Letters, 2007 , vol. 17, # 14 p. 3845 - 3850