参考文献

Borovkov, V. V.; Evstigneeva, R. P.; Gribkov, A. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1995 , vol. 31, # 3 p. 296 - 302 Khimiya Geterotsiklicheskikh Soedinenii, 1995 , # 3 p. 343 - 350