参考文献:
Van Niel, Monique B. Beer, Margaret S. Castro, Jose L. Cheng, Susan K.F. Evans, David C. Heald, Anne Hitzel, Laure Hunt, Peter Mortishire-Smith, Russell O Connor, Desmond Watt, Alan P. MacLeod, Angus M. Bioorganic and Medicinal Chemistry Letters, 1999 , vol. 9, # p. 4 - 48