1-(4-甲氧基苯基)吡啶-2(1H)-酮

4-羟基-3-吡啶甲酰胺

3,5-dinitro-1-(4-nitrophenyl)pyridin-4-one

pyridin-4-yl 4-methoxybenzoate

pyrido[3,4-e][1,2,4]triazine