2,7-Naphthalenedisulfonicacid, 3-[(4-aminophenyl)azo]-4,5-dihydroxy- (9CI); 2,7-Naphthalenedisulfonicacid, 3-[(p-aminophenyl)azo]-4,5-dihydroxy- (8CI); Victoria Violet (6CI);2-(p-Aminophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonic acid
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