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参考文献
Morozova, N. A.; Sedavkina, V. A.; Egorova, A. Yu. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1994 , vol. 30, # 3 p. 308 - 311 Khimiya Geterotsiklicheskikh Soedinenii, 1994 , # 3 p. 349 - 352
Morozova, N. A.; Sedavkina, V. A.; Egorova, A. Yu. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1994 , vol. 30, # 3 p. 308 - 311 Khimiya Geterotsiklicheskikh Soedinenii, 1994 , # 3 p. 349 - 352