参考文献

Stankyavichyus, A. P.; Terent'ev, P. B.; Solov'ev, O. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 9 p. 1041 - 1045 Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 9 p. 1243 - 1247