参考文献
Pevzner, M. S.; Koffman, T. P.; Kibasova, E. N.; Sushchenko, L. F.; Uspenskaya, T. L.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 2 p. 194 - 199
Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 2 p. 257 - 261