参考文献:
Singh, Ishwar Prasad, Ashok K. Sharma, Ajendra K. Saxena, Rajendra K. Olsen, Carl E. Cholli, Ashok L. Samuelson, Lynne A. Kumar, Jayant Watterson, Arthur C. Parmar, Virinder S. Bioorganic and Medicinal Chemistry, 2003 , vol. 11, # 4 p. 529 - 538