参考文献

Bobkov, V. N.; Zvolinskaya, T. V.; Kuz'menko, I. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1990 , vol. 26, # 11 p. 1285 - 1288 Khimiya Geterotsiklicheskikh Soedinenii, 1990 , # 11 p. 1541 - 1544