参考文献
Sadekov, I. D.; Abakarov, G. M.; Panov, V. B.; Ukhin, L. Yu.; Garnovskii, A. D.; Minkin, V. I.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1985 , vol. 21, # 6 p. 632 - 641
Khimiya Geterotsiklicheskikh Soedinenii, 1985 , vol. 21, # 6 p. 757 - 768