参考文献

Zorina, L.N.; Safiev, O.G.; Rakhmankulov, D.L. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 3 p. 261 - 263 Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 3 p. 316 - 318