参考文献
Korobeinicheva, I. K.; Sedova, V. F.; Gashev, S. B.; Smirnov, L. D.; Yagodina, O. V.; Mamaev, V. P.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 8 p. 913 - 919
Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 8 p. 1094 - 1099