参考文献

Rubina, K. I.; Iovel', I. G.; Gol'dberg, Yu. Sh.; Shimanskaya, F. V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 4 p. 454 - 457 Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 4 p. 543 - 546