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参考文献
Anisimov, B. N.; Obynochnyi, A.A.; Prostakov, N. S. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 3 p. 297 - 298 Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 3 p. 355 - 356
Anisimov, B. N.; Obynochnyi, A.A.; Prostakov, N. S. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 3 p. 297 - 298 Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 3 p. 355 - 356