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参考文献
Fridman, I. A.; Nikonova, I. V.; Koldobskii, G. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1994 , vol. 30, # 6 p. 713 - 717 Khimiya Geterotsiklicheskikh Soedinenii, 1994 , # 6 p. 816 - 820
Fridman, I. A.; Nikonova, I. V.; Koldobskii, G. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1994 , vol. 30, # 6 p. 713 - 717 Khimiya Geterotsiklicheskikh Soedinenii, 1994 , # 6 p. 816 - 820