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参考文献
Popov, I. I.; Boroshko, S. L.; Tertov, B. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 2 p. 224 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 4 p. 266 - 267
Popov, I. I.; Boroshko, S. L.; Tertov, B. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1984 , vol. 20, # 2 p. 224 Khimiya Geterotsiklicheskikh Soedinenii, 1984 , vol. 20, # 4 p. 266 - 267