参考文献:
Helal, Christopher J. Sanner, Mark A. Cooper, Christopher B. Gant, Thomas Adam, Mavis Lucas, John C. Kang, Zhijun Kupchinsky, Stanley Ahlijanian, Michael K. Tate, Bonnie Menniti, Frank S. Kelly, Kristin Peterson, Marcia Bioorganic and Medicinal Chemistry Letters, 2004 , vol. 4, # 22 p. 552 - 5525