参考文献

Kumar, Ashok; Sharma, Shalabh; Bajaj, Kiran; Bansal, Deepti; Sharma, Shipra; Saxena, Archana K. K.; Lata; Gupta; Srivastava Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2003 , vol. 42, # 8 p. 1979 - 1984