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参考文献
Shafran, Yu. M.; Bakulev, B. A.,; Mokrushin, V. S.; Validuda, G. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 5 p. 567 - 571 Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 5 p. 691 - 696
Shafran, Yu. M.; Bakulev, B. A.,; Mokrushin, V. S.; Validuda, G. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 5 p. 567 - 571 Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 5 p. 691 - 696