参考文献
Ramzaeva, N. P.; Goncharova, I. N.; Lidak, M. Yu.; Gol'dberg, Yu. Sh.; Shimanskaya, M. V.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 3 p. 346 - 347
Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 3 p. 419 - 420