参考文献

Kononov, L. I.; Veinberg, G. A.; Liepin'sh, E. E.; Dipan, I. V.; Sukhova, N. M.; Lukevits, E. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , p. 765 - 771 Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 7 p. 931 - 938