4-氯-2-甲基苯甲酸

2-chloro-4-methyl-5-carboxybenzenesulfinic acid

2-methyl-4-chloro-5-methyl-sulfonylbenzoic acid

4-chloro-5-(chlorosulfonyl)-2-methylbenzoic acid

4-benzylamino-5-methylsulfonyl-2-methylbenzoic acid