参考文献

Lukevits, E. Ya.; Ignatovich, L. M.; Gol'dberg, Yu. Sh.; Shimanskaya, M. V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 6 p. 678 - 679 Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 6 p. 853 - 854