β-(2,4-dimethyl-5-ethoxycarbonyl-3-pyrrolyl)-β-ketopropionate 2,4-dinitrophenylhydrazone

2-[(2,4-dinitrophenyl)hydrazinylidene]propane-1,3-diol

10-(2',4'-二硝基苯基偶氮)-9-菲酚

2,4-dinitro-N-[(E)-(2-nitrophenyl)methylideneamino]aniline

(Z)-4-[2-(2,4-dinitrophenyl)hydrazinyl]-4-oxobut-2-enoic acid