1,3-Naphthalenedisulfonicacid, 7-hydroxy-8-[(4-sulfophenyl)azo]- (9CI); 1,3-Naphthalenedisulfonic acid,7-hydroxy-8-[(p-sulfophenyl)azo]- (7CI,8CI);1-(4'-Sulfophenylazo)-2-naphthol-6,8-disulfonic acid; Orange AB
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