4-nitro-benzenesulfonylchlorid, 5-Nitrobenzenesulfonyl chloride, 4-Nitrophenylsulfonylchloride, 4-Nitrobenzenesulfon, 4-nitro-benzenesulfonyl chloride, p-Nitrophenylsulfonyl chloride, 4-nitrophenylsulphonyl chloride, Nosylchloride, Benzenesulfonyl chloride, 4-nitro-, p-nitrobenzenesulfonyl chloride, 4-Nitrobenzenesulphonylchloride, para-nitrobenzenesulfonyl chloride, 4-Nitrobenzenesulfonyl chloride