sodium p-[(4,6-diamino-m-tolyl)azo]benzenesulphonate

2',4'-Diamino-5'-methylazobenzene-4-sulfonic acid sodium

2',4'-Diamino-5'-methylazobenzene-4-sulfonic acid sodium salt

4-[(2,4-Diamino-5-methylphenyl)azo]benzenesulfonic acid sodium

p-(2,4-Diamino-5-methylphenylazo)benzenesulfonic acid sodium salt

4-[(2,4-Diamino-5-methylphenyl)azo]benzenesulfonic acid sodium salt