参考文献

Likhterov, V. R.; Klenovich, S. V.; Etlis, V. S.; Tsareva, L. A.; Pomerantseva, E. G.; Shmuilovich, S. M. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , p. 308 - 311 Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 3 p. 376 - 379