参考文献:
Bishop, Michael J. Barvian, Kevin A. Berman, Judd Bigham, Eric C. Garrison, Deanna T. Gobel, Michael J. Hodson, Stephen J. Irving, Paul E. Liacos, James A. Navas, Iii, Frank Saussy Jr., David L. Speake, Jason D. Bioorganic and Medicinal Chemistry Letters, 2002 , vol. 12, # 3 p. 471 - 475