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参考文献
Yurovskaya, M. A.; Druzhinina, V. V.; Bundel', Yu. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 8 p. 871 - 872 Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 8 p. 1130
Yurovskaya, M. A.; Druzhinina, V. V.; Bundel', Yu. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 8 p. 871 - 872 Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 8 p. 1130