参考文献
Mikhaleva, M. A.; Savel'ev, V. A.; Pavlyuchenko, A. I.; Grebenkin, M. F.; Mamaev, V. P.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 9 p. 994 - 1001
Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 9 p. 1228 - 1235
