参考文献:
Chen, Guangming Ren, Hongyu Turpoff, Anthony Arefolov, Alexander Wilde, Richard Takasugi, James Khan, Atiyya Almstead, Neil Gu, Zhengxian Komatsu, Takashi Freund, Connie Breslin, Jamie Colacino, Joseph Hedrick, Jean Weetall, Marla Karp, Gary M. Bioorganic and Medicinal Chemistry Letters, 03 , vol. 3, # 3 p. 394 - 3946