参考文献:
Hammond, Marlys Elliott, Richard L. Gillaspy, Melissa L. Hager, David C. Hank, Richard F. LaFlamme, Janet A. Oliver, Robert M. DaSilva-Jardine, Paul A. Stevenson, Ralph W. Mack, Christine M. Cassella, James V. Bioorganic and Medicinal Chemistry Letters, 3 , vol. 3, # p. 989 - 99