6-methyl-2-(4-nitrophenyl)imidazo[1,2-a]pyridine

3-[2-(4-nitrophenyl)-2-oxoethyl]-1,3-thiazolidine-2,4-dione

2-(2,3-dimethylanilino)-1-(4-nitrophenyl)ethanone

2-(3,4-dimethylanilino)-1-(4-nitrophenyl)ethanone

2-morpholino-1-(4-nitrophenyl)ethan-1-one