参考文献

Dyakov, M. Yu.; Sokolova, T. D.; Peretokin, A. V.; Moskovkin, A. S.; Unkovskii, B. V. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1991 , vol. 27, # 2 p. 183 - 186 Khimiya Geterotsiklicheskikh Soedinenii, 1991 , # 2 p. 224 - 227