参考文献:
Hanson, Ronald L. Schwinden, Mark D. Banerjee, Amit Brzozowski, David B. Chen, Bang-Chi Patel, Bharat P. McNamee, Clyde G. Kodersha, Gus A. Kronenthal, David R. Patel, Ramesh N. Szarka, Laszlo J. Bioorganic and Medicinal Chemistry, 1999 , vol. 7, # 10 p. 2247 - 222