参考文献:
Gangloff, Anthony R. Brown, Jason De Jong, Ron Dougan, Douglas R. Grimshaw, Charles E. Hixon, Mark Jennings, Andy Kamran, Ruhi Kiryanov, Andre O'Connell, Shawn Taylor, Ewan Vu, Phong Bioorganic and Medicinal Chemistry Letters, 03 , vol. 3, # 6 p. 450 - 4505