参考文献

Patel, Mona; Rodgers, James D.; McHugh Jr., Robert J.; Johnson, Barry L.; Cordova, Beverly C.; Klabe, Ronald M.; Bacheler, Lee T.; Erickson-Viitanen, Susan; Soo S, Ko Bioorganic and Medicinal Chemistry Letters, 1999 , vol. 9, # 22 p. 3217 - 3220