参考文献

Kazarinova, T. D.; Markova, L. I.; Kharchenko, V. G. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1990 , vol. 26, # 4 p. 438 - 441 Khimiya Geterotsiklicheskikh Soedinenii, 1990 , # 4 p. 511 - 514