参考文献:
Nguyen, Kevin T. Claiborne, Christopher F. McCauley, John A. Libby, Brian E. Claremon, David A. Bednar, Rodney A. Mosser, Scott D. Gaul, Stanley L. Connolly, Thomas M. Condra, Cindra L. Bednar, Bohumil Stump, Gary L. Lynch, Joseph J. Koblan, Kenneth S. Liverton, Nigel J. Bioorganic and Medicinal Chemistry Letters, 7 , vol. 7, # 4 p. 3997 - 4