苯酐

2-硝基苯肼

3-methylene-2-(2-nitro-anilino)-isoindolin-1-one

phthalic acid mono-[N'-(2-nitro-phenyl)-hydrazide]

[2-(2-nitro-phenyl)-4-oxo-1,2,3,4-tetrahydro-phthalazin-1-yl]-acetic acid