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参考文献
Prostakov, N. S.; Kuznetsov, V. V.; Stashenko, E. E. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 11 p. 1267 - 1271 Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 11 p. 1514 - 1519
Prostakov, N. S.; Kuznetsov, V. V.; Stashenko, E. E. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 11 p. 1267 - 1271 Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 11 p. 1514 - 1519