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参考文献
Ivashchenko, A. V.; Agafonova, I. F. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 2 p. 184 - 189 Khimiya Geterotsiklicheskikh Soedinenii, 1981 , vol. 17, # 2 p. 249 - 254
Ivashchenko, A. V.; Agafonova, I. F. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 2 p. 184 - 189 Khimiya Geterotsiklicheskikh Soedinenii, 1981 , vol. 17, # 2 p. 249 - 254