参考文献:
Budzik, Brian Garzya, Vincenzo Shi, Dongchuan Walker, Graham Lauchart, Yann Lucas, Adam J. Rivero, Ralph A. Langmead, Christopher J. Watson, Jeannette Wu, Zining Forbes, Ian T. Jin, Jian Bioorganic and Medicinal Chemistry Letters, 200 , vol. 20, # 2 p. 545 - 549