参考文献
Potapov, V. M.; Dem'yanovich, V. M.; Krivdin, L. B.; Skvortsova, T. V.; Bkhatti, Z. I.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1981 , vol. 17, # 5 p. 486 - 489
Khimiya Geterotsiklicheskikh Soedinenii, 1981 , # 5 p. 662 - 665
