参考文献

Yu, Xiang Y.; Hill, Jason M.; Yu, Guixue; Yang, Yifeng; Kluge, Arthur F.; Keith, Dennis; Finn, John; Gallant, Paul; Silverman, Jared; Lim, Audrey Bioorganic and Medicinal Chemistry Letters, 2001 , vol. 11, # 4 p. 541 - 544