参考文献

Vinokurov, V. G.; Zykov, D. A.; Kirsanova, Z. D.; Rozenberg, S. G.; Troitskaya, V. S.; et al. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1991 , vol. 27, # 3 p. 288 - 291 Khimiya Geterotsiklicheskikh Soedinenii, 1991 , # 3 p. 355 - 359