参考文献:
Augelli-Szafran, Corinne E. Horwell, David C. Kneen, Clare Ortwine, Daniel F. Pritchard, Martyn C. Purchase, Terri S. Roth, Bruce D. Trivedi, Bharat K. Hill, David Suman-Chauhan, Nirmala Webdale, Louise Bioorganic and Medicinal Chemistry, 1996 , vol. 4, # 10 p. 1733 - 1745