参考文献

Kolos, N. N.; Orlov, V. D.; Slobodina, E. K.; Yur'eva, E. Yu.; Korshunov, S. P.; Tue, Zyong van Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 2 p. 222 - 227 Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 2 p. 267 - 272