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参考文献
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 18, # 2 p. 127 - 130 Khimiya Geterotsiklicheskikh Soedinenii, , vol. 18, # 2 p. 167 - 170
Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 18, # 2 p. 127 - 130 Khimiya Geterotsiklicheskikh Soedinenii, , vol. 18, # 2 p. 167 - 170