2-Chlorobenzenesulphonyl chloride, EINECS 220-807-3, o-chlorobenzene sulfonic acid chloride, Benzenesulfonyl chloride,2-chloro, 2-chlorobenzene-1-sulfonyl chloride, o-Chlorobenzenesulfochloride, 2-chlorophenylsulfonyl chloride, ortho-chlorobenzenesulfonyl chloride, o-Chlorobenzenesulfonyl chloride, 2-chloro-benzenesulfonyl chloride
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