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参考文献
Shvedov,V.I. et al. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1975 , vol. 11, # 9 p. 1059 - 1065 Khimiya Geterotsiklicheskikh Soedinenii, 1975 , vol. 11, # 9 p. 1217 - 1224
Shvedov,V.I. et al. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1975 , vol. 11, # 9 p. 1059 - 1065 Khimiya Geterotsiklicheskikh Soedinenii, 1975 , vol. 11, # 9 p. 1217 - 1224