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参考文献
Dorofeenko,G.N. et al. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1971 , vol. 7, p. 319 - 323 Khimiya Geterotsiklicheskikh Soedinenii, 1971 , vol. 7, # 3 p. 345 - 349
Dorofeenko,G.N. et al. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1971 , vol. 7, p. 319 - 323 Khimiya Geterotsiklicheskikh Soedinenii, 1971 , vol. 7, # 3 p. 345 - 349