2-[(5-chloro-2-nitrophenyl)methylidene]propanedioic acid

2-[(5-bromo-2-nitrophenyl)methylidene]propanedioic acid

[(E)-2-(5-bromo-2-nitro-phenyl)-vinyl]-dimethyl-amine

2-硝基-5-溴苯酚

5-氯-2-硝基苯甲醛