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参考文献
Kvitko, I.Ya.; Smirnova, V.A.; El'tsov, A.V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 1 p. 28 - 31 Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 1 p. 36 - 39
Kvitko, I.Ya.; Smirnova, V.A.; El'tsov, A.V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 1 p. 28 - 31 Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 1 p. 36 - 39