参考文献

Khokhlova, L. N.; Germane, S.; Erchak, N. P.; Lukevits, E. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1995 , vol. 31, # 5 p. 553 - 556 Khimiya Geterotsiklicheskikh Soedinenii, 1995 , # 5 p. 629 - 632