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参考文献
Litvinova, V. V.; Solodovnikov, V. E.; Anisimov, A. V.; Viktorova, E. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 6 p. 709 - 711 Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 6 p. 851 - 853
Litvinova, V. V.; Solodovnikov, V. E.; Anisimov, A. V.; Viktorova, E. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 6 p. 709 - 711 Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 6 p. 851 - 853