参考文献

Stolbova, T. V.; Klimenko, S. K.; Shcherbakov, A. A.; Aleksandrov, G. G.; Struchkov, Yu. T.; Kharchenko, V. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1980 , vol. 16, p. 818 - 821 Khimiya Geterotsiklicheskikh Soedinenii, 1980 , # 8 p. 1056 - 1059