1-(4-nitro-phenylsulfanyl)-2-phenylsulfanyl-ethane
diethyl-methyl-[2-(4-nitro-benzenesulfonyl)-ethyl]-ammonium; iodide
diethyl-[2-(4-nitro-benzenesulfonyl)-ethyl]-amine
N-<2-(4-nitrophenyl)sulfonyl>ethylpiperidine
4-(2-diethylamino-ethanesulfonyl)-aniline