参考文献

Xu, Yao-Chang; Schaus, John M.; Walker, Clint; Krushinski, Joe; Adham, Nika; Zgombick, John M.; Liang, Sidney X.; Kohlman, Dan T.; Audia, James E. Journal of Medicinal Chemistry, 1999 , vol. 42, # 3 p. 526 - 531