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参考文献
El'kinson, R.S.; Eremeev, A.V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 2 p. 161 - 166 Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 2 p. 206 - 211
El'kinson, R.S.; Eremeev, A.V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 2 p. 161 - 166 Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 2 p. 206 - 211