参考文献
Bezmenova, T. E.; Khaskin, G. I.; Slutskii, V. I.; Dul'nev, P. G.; Zakharov, L. N.; et al.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 7 p. 668 - 672
Khimiya Geterotsiklicheskikh Soedinenii, 1981 , # 7 p. 907 - 912
