参考文献:
Perevalov, V. P. Andreeva, M. A. Baryshnenkova, L. I. Manaev, Yu. A. Yamburg, G. S. et al. Chemistry of Heterocyclic Compounds (New York, NY, United States), 98 , vol. 9, # 2 p. 26 - 0 Khimiya Geterotsiklicheskikh Soedinenii, 98 , vol. 9, # 2 p. 66 - 69