1-(4-nitrophenyl)-2-pyridin-1-ium-1-ylethanone,iodide

3,3-dichloro-1-(4-nitrophenyl)prop-2-en-1-one

[2-(4-nitrophenyl)-2-oxoethyl] 4-methylbenzenesulfonate

4-[1-(4-nitrophenyl)ethenyl]morpholine

ethyl 3-(4-nitrophenyl)but-2-enoate