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参考文献
Sedavkina, V. A.; Morozova, N. A.; Egorova, A. Yu.; Ostroumov, I. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 4 p. 377 - 380 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , # 4 p. 451 - 454
Sedavkina, V. A.; Morozova, N. A.; Egorova, A. Yu.; Ostroumov, I. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 4 p. 377 - 380 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , # 4 p. 451 - 454