參考文獻:
Zhao, Zhijian O'Brien, Julie A. Lemaire, Wei Williams Jr., David L. Jacobson, Marlene A. Sur, Cyrille Pettibone, Doug J. Tiller, Philip R. Smith, Sheri Hartman, George D. Wolkenberg, Scott E. Lindsley, Craig W. Bioorganic and Medicinal Chemistry Letters, 2006 , vol. 16, # 23 p. 5968 - 5972