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参考文献
Sigova, V. I.; Konshin, M. E. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 6 p. 635 - 636 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 6 p. 783 - 785
Sigova, V. I.; Konshin, M. E. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 6 p. 635 - 636 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 6 p. 783 - 785