参考文献

Kirpichenok, M. A.; Levchenko, S. L.; Grandberg, I. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1987 , vol. 23, # 10 p. 1059 - 1067 Khimiya Geterotsiklicheskikh Soedinenii, 1987 , # 10 p. 1324 - 1332