2,4-Dimethylaniline-5-sulfonic acid 2,4-Xylenesulfonic acid, 5-amino- (8CI) 5-Amino-2,4-dimethylbenzenesulfonic acid 6-Amino-m-xylene-4-sulphonic acid 6370-23-6 Benzenesulfonic acid, 5-amino-2,4-dimethyl- EINECS 228-878-2 NSC 7547