Zhao, He; Thurkauf, Andrew; He, Xiaoshu; Hodgetts, Kevin; Zhang, Xiaoyan; Rachwal, Stanislaw; Kover, Renata X.; Hutchison, Alan; Peterson, John; Kieltyka, Andrzej; Brodbeck, Robbin; Primus, Renee; Wasley, Jan W.F. Bioorganic and Medicinal Chemistry Letters, 2002 , vol. 12, # 21 p. 3105 - 3109