参考文献:
Shankaran Donnelly, Karla L. Shah, Shrenik K. Caldwell, Charles G. Chen, Ping Hagmann, William K. MacCoss, Malcolm Humes, John L. Pacholok, Stephen G. Kelly, Theresa M. Grant, Stephan K. Wong, Kenny K. Bioorganic and Medicinal Chemistry Letters, 4 , vol. 4, # 3 p. 597 - 59