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参考文献
Neiland, O. Ya.; Tilika, V. Zh.; Edzhinya, A. S. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 8 p. 945 - 950 Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 8 p. 1122 - 1128
Neiland, O. Ya.; Tilika, V. Zh.; Edzhinya, A. S. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 8 p. 945 - 950 Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 8 p. 1122 - 1128