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参考文献
Voronkov, M.G.; Deryagina, E.N.; Perevalova, V.I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 3 p. 225 - 226 Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 3 p. 310 - 311
Voronkov, M.G.; Deryagina, E.N.; Perevalova, V.I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 3 p. 225 - 226 Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 3 p. 310 - 311