参考文献

Gornostaev, L. M.; Sakilidi, V. T. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, # 11 p. 1112 - 1114 Khimiya Geterotsiklicheskikh Soedinenii, 1980 , vol. 16, # 11 p. 1471 - 1473