参考文献

Kolos, N.N.; Insuasti, B.; Kiroga, Kh.; Orlov, V.D. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1986 , vol. 22, # 8 p. 918 - 922 Khimiya Geterotsiklicheskikh Soedinenii, 1986 , # 8 p. 1127 - 1132