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