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参考文献
Obynochnyi, A. A.; Anisimov, B. N.; Sergeeva, N. D.; Prostakov, N. S. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1993 , vol. 29, # 5 p. 553 - 555 Khimiya Geterotsiklicheskikh Soedinenii, 1993 , vol. 29, # 5 p. 648 - 650
Obynochnyi, A. A.; Anisimov, B. N.; Sergeeva, N. D.; Prostakov, N. S. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1993 , vol. 29, # 5 p. 553 - 555 Khimiya Geterotsiklicheskikh Soedinenii, 1993 , vol. 29, # 5 p. 648 - 650