2-氯-4,6-二硝基苯甲酸

4-[(2,4-dinitrophenyl)methylideneamino]-N,N-dimethylaniline

2,4-dinitro-benzaldehyde-[N-(4-dimethylamino-phenyl)-oxime ]

3,3'-二氨基-4,4'-二甲基氧化偶氮苯

2,4-二氨基-5-甲基苯酚