参考文献

Smallheer, Joanne M.; McHugh, Robert J.; Chang, Chong-Hwan; Kaltenbach III, Robert F.; Worley, Tabitha V.; Klabe, Ronald M.; Bacheler, Lee T.; Rayner, Marlene M.; Erickson-Viitanen, Susan; Seitz, Steven P. Bioorganic and Medicinal Chemistry Letters, 1997 , vol. 7, # 11 p. 1365 - 1370