4-乙氧基-3-硝基吡啶

4-甲氨基-3-硝基吡啶

3-硝基吡啶-4-羧酸

3-pyrazin-2-ylpyrido[3,4-e][1,2,4]triazine

3-(4-phenylphenyl)pyrido[3,4-e][1,2,4]triazine