參考文獻:
Linton, Steven D. Karanewsky, Donald S. Ternansky, Robert J. Chen, Ning Guo, Xian Jahangiri, Kathy G. Kalish, Vincent J. Meduna, Steven P. Robinson, Edward D. Ullman, Brett R. Wu, Joe C. Pham, Brian Kodandapani, Lalitha Smidt, Robert Diaz, Jose-Luis Fritz, Lawrence C. Von Krosigk Roggo, Silvio Schmitz, Albert Tomaselli, Kevin J. Bioorganic and Medicinal Chemistry Letters, 2002 , vol. 12, # 20 p. 2973 - 2975