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参考文献
Ignatchenko, A. V.; Terent'ev, P. B. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 3 p. 292 - 295 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , vol. 23, # 3 p. 348 - 351
Ignatchenko, A. V.; Terent'ev, P. B. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 3 p. 292 - 295 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , vol. 23, # 3 p. 348 - 351