参考文献

Simakov, S. V.; Velezheva, V. S.; Kozik, T. A.; Suvorov, N. N. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 1 p. 61 - 65 Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 1 p. 76 - 81