參考文獻:
Rowley, Michael Kulagowski, Janusz J. Watt, Alan P. Rathbone, Denise Stevenson, Graeme I. Carling, Robert W. Baker, Raymond Marshall, George R. Kemp, John A. Foster, Alan C. Grimwood, Sarah Hargreaves, Richard Hurley, Catherine Saywell, Kay L. Tricklebank, Mark D. Leeson, Paul D. Journal of Medicinal Chemistry, 1997 , vol. 40, # 25 p. 4053 - 4068