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参考文献
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 22, # 2 p. 145 - 147 Khimiya Geterotsiklicheskikh Soedinenii, , vol. 22, # 2 p. 187 - 189
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 22, # 2 p. 145 - 147 Khimiya Geterotsiklicheskikh Soedinenii, , vol. 22, # 2 p. 187 - 189