4-硝基苯硫醇

N-ethyl-4-nitrobenzenesulfonamide

N-hexyl-4-nitro-N-(4-nitrophenyl)sulfonylbenzenesulfonamide

4-硝基-N-丙基苯磺酰胺

1-[(P-硝基苯基)磺酰基]脲