1-[4-[(4-acetylphenyl)diazenyl]phenyl]ethanone

1-(4-nitrophenyl)-2-phenylselanylethanone

6-(4-nitrophenyl)-4-oxido-1,2,4-triazin-4-ium

2-iodo-1-(4-nitrophenyl)ethanone

1-(2-iodo-1,1-dimethoxyethyl)-4-nitrobenzene