1-甲基-3,5-二硝基-2-吡啶酮

2,3-丁二酮

2-溴-5-硝基吡啶

3-(5-nitropyridin-2-yl)prop-2-yn-1-ol

2-methyl-4-(5-nitropyridin-2-yl)but-3-yn-2-ol