參考文獻:
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. 15, # 20 p. 4459 - 4462