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参考文献
Litvinov, O. V.; Chalaya, S. N.; Kharchenko, V. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1991 , vol. 27, # 8 p. 878 - 882 Khimiya Geterotsiklicheskikh Soedinenii, 1991 , # 8 p. 1095 - 1099
Litvinov, O. V.; Chalaya, S. N.; Kharchenko, V. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1991 , vol. 27, # 8 p. 878 - 882 Khimiya Geterotsiklicheskikh Soedinenii, 1991 , # 8 p. 1095 - 1099