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参考文献
Lukevits,E.A.; Voronkov,M.G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1965 , vol. 1, p. 116 - 121 Khimiya Geterotsiklicheskikh Soedinenii, 1965 , vol. 1, # 2 p. 179 - 186
Lukevits,E.A.; Voronkov,M.G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1965 , vol. 1, p. 116 - 121 Khimiya Geterotsiklicheskikh Soedinenii, 1965 , vol. 1, # 2 p. 179 - 186