Benzenesulfonyl chloride,2-methyl, o-Toluenesulfonyl chloride, o-methylbenzenesulfonyl chloride, 2-methyl-benzenesulfonyl chloride, Toluenesulfonyl chloride, 2-Methylbenzene-1-sulfonyl chloride, Benzenesulfonyl chloride, 2-methyl-, 2-toluenesulfonyl chloride, toluene-2-sulfonyl chloride, 2-Methylbenzenesulphonyl chloride, 2-methylphenylsulfonyl chloride