参考文献
Tashmukhamedova, A. K.; Stempnevskaya, I. A.; Saifullina, N. Zh.; Levkovich, M. G.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 11 p. 1178 - 1185
Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 11 p. 1461 - 1469
