参考文献

Krivopalov, V. P.; Nikolaenkova, E. B.; Sedova, V. F.; Mamaev, V. P. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1983 , p. 1116 - 1119 Khimiya Geterotsiklicheskikh Soedinenii, 1983 , vol. 19, # 10 p. 1401 - 1405