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参考文献
Ershov, L. V.; Granik, V. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 5 p. 544 - 547 Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 5 p. 646 - 649
Ershov, L. V.; Granik, V. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 5 p. 544 - 547 Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 5 p. 646 - 649