参考文献:
Hulme, Christopher Moriarty, Kevin Miller, Bruce Mathew, Rose Ramanjulu, Mercy Cox, Paul Souness, John Page, Ken M. Uhl, Joanne Travis, Jeffrey Huang, Fu-Chih Labaudiniere, Richard Djuric, Stevan W. Bioorganic and Medicinal Chemistry Letters, 998 , vol. 8, # 4 p. 867 - 87