118-88-7 3-Amino-6-methylbenzenesulfonic acid 4-Amino-2-sulfotoluene 4-Methyl-3-sulfoaniline 5-AMINO-1-METHYLBENZENESULFONIC ACID 5-AMINO-2-METHYLBENZENESULFONIC ACID 5-Amino-o-toluenesulfonic acid Benzenesulfonic acid, 5-amino-2-methyl- NSC5586 o-Toluenesulfonic acid, 5-amino- p-Toluidine-o-sulfonic acid