參考文獻:
Beers, Scott A. Malloy, Elizabeth A. Wu, Wei Wachter, Michael P. Gunnia, Uma Cavender, Druie Harris, Crafford Davis, Janet Brosius, Ruth Pellegrino-Gensey, J. Lee Siekierka, John Bioorganic and Medicinal Chemistry, 1997 , vol. 5, # 12 p. 2203 - 2211