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参考文献
Yurovskaya, M. A.; Karchava, A. V.; Afanas'Ev, A. Z.; Bundel, Yu. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 4 p. 409 - 413 Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 4 p. 489 - 494
Yurovskaya, M. A.; Karchava, A. V.; Afanas'Ev, A. Z.; Bundel, Yu. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 4 p. 409 - 413 Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 4 p. 489 - 494