參考文獻:
Hangeland, Jon J. Cheney, Daniel L. Friends, Todd J. Swartz, Stephen Levesque, Paul C. Rich, Adam J. Sun, Lucy Bridal, Terry R. Adam, Leonard P. Normandin, Diane E. Murugesan, Natesan Ewing, William R. Bioorganic and Medicinal Chemistry Letters, 2008 , vol. 18, # 2 p. 474 - 478