121-51-7 3-Nitrobenzenesulfonyl chloride 3-Nitrobenzenesulphonyl chloride 3-Nitrophenylsulfonyl chloride Benzenesulfonyl chloride, 3-nitro- Benzenesulfonyl chloride, m-nitro- (8CI) EINECS 204-476-2 M-NITROBENZENESULFONYL CHLORIDE NSC 9806 m-Nitrophenylsulfonyl chloride