参考文献
Kharchenko, V. G.; Gubina, T. I.; Voronin, S. P.; Markushina, I. A.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 11 p. 1170 - 1173
Khimiya Geterotsiklicheskikh Soedinenii, 1986 , vol. 22, # 11 p. 1453 - 1456