参考文献

Shepelenko, E. N.; Dubonosov, A. D.; Lyubarskaya, A. E.; Bren, V. A.; Minkin, V. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 6 p. 639 - 642 Khimiya Geterotsiklicheskikh Soedinenii, 1989 , vol. 25, # 6 p. 774 - 777