参考文献

Golomolzin, B. V.; Postovskii, I. Ya.; Egorova, L. G.; Perova, N. M. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 11 p. 1142 - 1144 Khimiya Geterotsiklicheskikh Soedinenii, 1981 , vol. 17, # 11 p. 1557 - 1559