Benzenesulfonicacid, 4-[(4-amino-3-methylphenyl)azo]-3-methyl- (9CI); m-Toluenesulfonic acid,4-[(4-amino-m-tolyl)azo]- (8CI);4-(4-Amino-3-methylphenylazo)-m-toluenesulfonic acid;4'-Amino-2,3'-dimethylazobenzene-4-sulfonic acid
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