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参考文献
Yurovskaya, M. A.; Afanas'ev, A. Z.; Bundel', Yu. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 8 p. 875 - 877 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 8 p. 1077 - 1079
Yurovskaya, M. A.; Afanas'ev, A. Z.; Bundel', Yu. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 8 p. 875 - 877 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 8 p. 1077 - 1079