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参考文献
Guss, L. T.; Ershov, L. V.; Bogdanova, G. A.; Granik, V. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1990 , vol. 26, # 2 p. 183 - 188 Khimiya Geterotsiklicheskikh Soedinenii, 1990 , vol. 26, # 2 p. 215 - 220
Guss, L. T.; Ershov, L. V.; Bogdanova, G. A.; Granik, V. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1990 , vol. 26, # 2 p. 183 - 188 Khimiya Geterotsiklicheskikh Soedinenii, 1990 , vol. 26, # 2 p. 215 - 220