參考文獻:
Bromidge, Steven M. Davies, Susannah Duckworth Forbes, Ian T. Jones, Graham E. Jones, Jerome King, Frank D. Blackburn, Thomas P. Holland, Vicky Kennett, Guy A. Lightowler, Sean Middlemiss, Derek N. Riley, Graham J. Trail, Brenda Wood, Martyn D. Bioorganic and Medicinal Chemistry Letters, 2000 , vol. 10, # 16 p. 1867 - 1870