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参考文献
Voronkov,M.G. et al. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1979 , vol. 15, # 11 p. 1183 - 1185 Khimiya Geterotsiklicheskikh Soedinenii, 1979 , vol. 15, # 11 p. 1474 - 1475
Voronkov,M.G. et al. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1979 , vol. 15, # 11 p. 1183 - 1185 Khimiya Geterotsiklicheskikh Soedinenii, 1979 , vol. 15, # 11 p. 1474 - 1475