4-[(4-nitrophenyl)-phenylmethyl]sulfonylmorpholine

2-(4-hydroxyiminocyclohexa-2,5-dien-1-ylidene)-2-naphthalen-1-ylacetonitrile

2,2-dimethylpropyl (2-nitrophenyl)methanesulfonate

2,2-dimethylpropyl (4-nitrophenyl)methanesulfonate

phenyl (4-nitrophenyl)methanesulfonate