参考文献
Orlov, V. D.; Kolos, N. N.; Rozhko, L. I.; Yaremenko, F. G.; Zolotarev, B. M.; Lavrushin, V. F.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 6 p. 544 - 548
Khimiya Geterotsiklicheskikh Soedinenii, 1981 , # 6 p. 747 - 752
