參考文獻:
Von Geldern, Thomas W. Tasker, Andrew S. Sorensen, Bryan K. Winn, Martin Szczepankiewicz, Bruce G. Dixon, Douglas B. Chiou, William J. Wang, Liming Wessale, Jerry L. Adler, Andy Marsh, Kennan C. Nguyen, Bach Opgenorth, Terry J. Journal of Medicinal Chemistry, 1999 , vol. 42, # 18 p. 3668 - 3678