1-Naphthol-3,6-disulfonicacid, 8-amino-2-(3-chloro-2-hydroxy-5-nitrophenylazo)- (6CI);2,7-Naphthalenedisulfonic acid,5-amino-3-[(3-chloro-2-hydroxy-5-nitrophenyl)azo]-4-hydroxy- (7CI,8CI,9CI);Gallion
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