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参考文献
Tokmakov, G. P.; Zemlyanova, T. G.; Grandberg, I. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 12 p. 1345 - 1349 Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 12 p. 1662 - 1667
Tokmakov, G. P.; Zemlyanova, T. G.; Grandberg, I. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 12 p. 1345 - 1349 Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 12 p. 1662 - 1667