N-(2-sulfanilyl-ethyl)-phthalimide

4-nitrophenyl 2-(N-phthalimidoyl)ethyl sulfide

N-[2-(4-nitro-benzenesulfonyl)-ethyl]-phthalimide

sodium,4-nitrobenzenethiol

(4-acetylamino-phenyl)-(2-benzoylamino-ethyl)-sulfone