参考文献
Manakova, I. V.; Gal'bershtam, M. A.; Bobyleva, C. K.; Przhiyalgovskaya, N. M.; Kurkovskaya, L. N.
Chemistry of Heterocyclic Compounds (New York, NY, United States), 1988 , vol. 24, p. 87 - 92
Khimiya Geterotsiklicheskikh Soedinenii, 1988 , vol. 24, # 1 p. 104 - 109