2,4-Diamino-5-methylbenzenesulfonic acid 2,4-Diaminotoluene-5-sulfonic acid 2,4-Tolylenediamine-5-sulfonic acid 4,6-Diaminotoluene-3-sulphonic acid 5-Methyl-2,4-diaminobenzenesulfonic acid 88-52-8 Benzenesulfonic acid, 2,4-diamino-5-methyl- EINECS 201-838-1 NSC 8621 m-Toluenesulfonic acid, 4,6-diamino- (8CI)