参考文献

Desenko, S. M.; Orlov, V. D.; Getmanskii, N. V.; Shishkin, O. V.; Lindeman, S. V.; Struchkov, Yu. T. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1993 , vol. 29, # 4 p. 406 - 410 Khimiya Geterotsiklicheskikh Soedinenii, 1993 , # 4 p. 481 - 485