参考文献

Aleksandrov, B. B.; Gavrilov, M. S.; Vakhrin, M. I.; Shklyaev, V. S. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 6 p. 662 - 665 Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 6 p. 794 - 797