Guo, Zhiqiang; Wu, Dongpei; Zhu, Yun-Fei; Tucci, Fabio C.; Regan, Collin F.; Rowbottom, Martin W.; Struthers, R. Scott; Xie, Qiu; Reijmers, Shelby; Sullivan, Susan K.; Sai, Yang; Chen, Chen Bioorganic and Medicinal Chemistry Letters, 2005 , vol. 15, # 16 p. 3685 - 3690