参考文献
Gubina, T. I.; Labunskaya, V. I.; Kornienko, G. K.; Borodina, L. A.; Kharchenko, V. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1995 , vol. 31, # 5 p. 548 - 552
Khimiya Geterotsiklicheskikh Soedinenii, 1995 , # 5 p. 624 - 628