参考文献
Mikhaleva, M. A.; Lazareva, V. T.; Grebenkin, M.F.; Savel'ev, V. A.; Mamaev, V. P.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1982 , vol. 18, # 11 p. 1201 - 1208
Khimiya Geterotsiklicheskikh Soedinenii, 1982 , vol. 18, # 11 p. 1545 - 1552
