參考文獻:
Ukrainets, I. V. Bezuglyi, P. A. Treskach, V. I. Kornilov, M. Yu. Turov, A. V. et al. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1992 , vol. 28, # 8 p. 912 - 916 Khimiya Geterotsiklicheskikh Soedinenii, 1992 , # 8 p. 1086 - 1090