3-amino-4-methylbenzene sulfonic acid, Benzenesulfonic acid,3-amino-4-methyl, p-Toluenesulfonic acid,3-amino, 4-Methylmetanilic acid, 2-Amino-toluol-4-sulfonsaeure, 2-aminotoluene-4-sulfonic acid, 3-Amino-p-toluenesulfonic acid, 1-Amino-2-methyl-5-benzenesulfonic acid, 2-Amino-4-toluenesulfonic acid, Benzenesulfonic acid, 3-amino-4-methyl-, 1-amino-2-methyl-benzene-5-sulphonic acid