参考文献
Stupnikova, T. V.; Serdyuk, A. I.; Kalafat, V. N.; Sagitullin, R. S.; Marshtupa, V. P.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , p. 367 - 369
Khimiya Geterotsiklicheskikh Soedinenii, 1981 , vol. 17, # 4 p. 508 - 510
