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参考文献
Yurovskaya, M. A.; Afanas'ev, A. Z.; Druzina, S. L.; Bundel, Yu. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 6 p. 667 - 672 Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 6 p. 805 - 810
Yurovskaya, M. A.; Afanas'ev, A. Z.; Druzina, S. L.; Bundel, Yu. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 6 p. 667 - 672 Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 6 p. 805 - 810