2-Amino-5-toluenesulfonic acid 3-Methylsulphanilic acid 4-AMINO-3-METHYLBENZENESULPHONIC ACID 4-Amino-3-methylbenzenesulfonic acid 4-Amino-m-toluenesulfonic acid 4-Amino-m-toluenesulfonic acid (SO3H=1) 4-Amino-meta-toluenesulfonic acid (SO3H=1) 98-33-9 AI3-16579 Benzenesulfonic acid, 4-amino-3-methyl- CCRIS 3412 EINECS 202-658-6 NSC 7545 m-Toluenesulfonic acid, 4-amino- (8CI) o-Toluidine-m-sulfonic acid