Dai, Yujia; Guo, Yan; Curtin, Michael L.; Li, Junling; Pease, Lori J.; Guo, Jun; Marcotte, Patrick A.; Glaser, Keith B.; Davidsen, Steven K.; Michaelides, Michael R. Bioorganic and Medicinal Chemistry Letters, 2003 , vol. 13, # 21 p. 3817 - 3820