4-羟基-3,5-二硝基苯甲醛

1-溴-2,3,5,6-四甲基-4-硝基苯

1-(2,4-dinitrophenyl)sulfinyl-2,4-dinitrobenzene

2,5-dibenzoylterephthalic acid

4,6-dibenzoylbenzene-1,3-dicarboxylic acid