4-Nitrobenzenesulfonic acid chloride 4-Nitrobenzenesulfonyl chloride 4-Nitrobenzenesulphonyl chloride 4-Nitrophenylsulfonyl chloride 98-74-8 AI3-52248 Benzenesulfonyl chloride, 4-nitro- Benzenesulfonyl chloride, p-nitro- (8CI) EINECS 202-697-9 NSC 13065 P-NITROBENZENESULFONYL CHLORIDE p-Nitrophenylsulfonyl chloride