參考文獻:
Chen, Ping Iwanowicz, Edwin J. Norris, Derek Gu, Henry H. Lin, James Moquin, Robert V. Das, Jagabandhu Wityak, John Spergel, Steven H. De Fex, Henry Pang, Suhong Pitt, Sydney Shen, Ding Ren Schieven, Gary L. Barrish, Joel C. Bioorganic and Medicinal Chemistry Letters, 2002 , vol. 12, # 21 p. 3153 - 3156