参考文献
Yurovskaya, M. A.; Druzhinina, V. V.; Budylin, V. A.; Bundel', Yu. G.; Yufit, D. S.; Struchkov, Yu. T.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , p. 184 - 187
Khimiya Geterotsiklicheskikh Soedinenii, 1983 , vol. 19, # 2 p. 226 - 229