1-(4-nitrobenzoyl) imidazole

ethyl 2-(4-nitrobenzoyl)-1-(6-oxo-2-(pyrrolidin-1-yl)cyclohex-1-en-1-yl)hydrazine-1-carboxylate

ethyl 1-(2-morpholino-6-oxocyclohex-1-en-1-yl)-2-(4-nitrobenzoyl)hydrazine-1-carboxylate

4-nitro-N-(hydroxymethyl)benzamide

N-chloro-4-nitrobenzamide