参考文献:
Ashton, Michael J. Brown, Thomas J. Fenton, Garry Halley, Frank Harper, Mark F. Lockey, Peter M. Porter, Barry Roach, Alan G. Stuttle, Keith A. J. Vicker, Nigel Walsh, Roger J. A. Journal of Medicinal Chemistry, 996 , vol. 39, # 7 p. 3343 - 3356