参考文献

Astles, Peter C.; Brown, Thomas J.; Cox, Paul; Halley, Frank; Lockey, Peter M.; McCarthy, Clive; McLay, Iain M.; Majid, Tahir N.; Morley, Andrew D.; Porter, Barry; Ratcliffe, Andrew J.; Walsh, Roger J.A. Bioorganic and Medicinal Chemistry Letters, 1997 , vol. 7, # 7 p. 907 - 912