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参考文献
Abramova, N. D.; Skvortsova, G. G.; Trzhtsinskaya, B. V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 6 p. 656 - 658 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 6 p. 805 - 807
Abramova, N. D.; Skvortsova, G. G.; Trzhtsinskaya, B. V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 6 p. 656 - 658 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 6 p. 805 - 807