参考文献

Gubina, T. I.; Labunskaya, V. I.; Pankratov, A. N.; Trushin, S. A.; Kharchenko, V. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1993 , vol. 29, # 12 p. 1393 - 1398 Khimiya Geterotsiklicheskikh Soedinenii, 1993 , # 12 p. 1614 - 1620