参考文献

Bobkov, V.N.; Zvolinskaya, T.V.; Kuz'menko, I.I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1991 , vol. 27, # 11 p. 1239 - 1242 Khimiya Geterotsiklicheskikh Soedinenii, 1991 , # 11 p. 1535 - 1538