参考文献
Abdrakhmanov, I. B.; Mustafin, A. G.; Tolstikov, G. A.; Fakhretdinov, R. N.; Dzhemilev, U. M.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 3 p. 262 - 264
Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 3 p. 325 - 327