参考文献
Khalikov, S. S.; Kadyrov, Ch. Sh.; Ayupova, A. T.; Molchanov, L. V.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 11 p. 1251 - 1254
Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 11 p. 1517 - 1520