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参考文献
Groszkowski, S.; Krezhel, I.; Kozycka, L. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 6 p. 672 - 675 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 6 p. 823 - 826
Groszkowski, S.; Krezhel, I.; Kozycka, L. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 6 p. 672 - 675 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 6 p. 823 - 826