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参考文献
Levshin, I. B.; V'yunov, K. A.; Tsurkan, A. A.; Ginak, A. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 2 p. 223 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 4 p. 266
Levshin, I. B.; V'yunov, K. A.; Tsurkan, A. A.; Ginak, A. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 2 p. 223 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 4 p. 266