参考文献:
Gleave, Robert J. Beswick, Paul J. Brown, Andrew J. Giblin, Gerard M.P. Haslam, Carl P. Livermore, David Moses, Andrew Nicholson, Neville H. Page, Lee W. Slingsby, Brian Swarbrick, Martin E. Bioorganic and Medicinal Chemistry Letters, 9 , vol. 9, # 3 p. 6578 - 658