参考文献:
Li, Jianke Wakefield, Brian D. Ruble, J. Craig Stiff, Cory M. Romero, Donna L. Marotti, Keith R. Sweeney, Michael T. Zurenko, Gary E. Rohrer, Douglas C. Thorarensen, Atli Bioorganic and Medicinal Chemistry Letters, 2007 , vol. 17, # 8 p. 2347 - 2350