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参考文献
Zhungietu,G.I. et al. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1973 , vol. 9, p. 1152 - 1153 Khimiya Geterotsiklicheskikh Soedinenii, 1973 , vol. 9, p. 1271 - 1272
Zhungietu,G.I. et al. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1973 , vol. 9, p. 1152 - 1153 Khimiya Geterotsiklicheskikh Soedinenii, 1973 , vol. 9, p. 1271 - 1272