6-fluoro-2-nitrophenylacetonotrile

4-benzyl-1-(3-nitrophenyl)piperidine

1-(3-nitrophenyl)-4-pyridin-2-ylpiperazine

3-(4-pyridin-2-ylpiperazin-1-yl)aniline

1-(benzenesulfonylmethyl)-4-fluoro-2-nitrobenzene