参考文献:
Fisher, Matthew J. Backer, Ryan T. Husain, Saba Hsiung, Hansen M. Mullaney, Jeffrey T. O Brian, Thomas P. Ornstein, Paul L. Rothhaar, Roger R. Zgombick, John M. Briner, Karin Bioorganic and Medicinal Chemistry Letters, 2005 , vol. 5, # 20 p. 4459 - 4462