参考文献

Kizner, T. A.; Mikhaleva, M. A.; Serebryakova, E. S. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1991 , vol. 27, # 3 p. 313 - 315 Khimiya Geterotsiklicheskikh Soedinenii, 1991 , # 3 p. 386 - 388