1,7-Naphthalenedisulfonicacid, 4-(benzoylamino)-5-hydroxy-6-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-(9CI); 1,7-Naphthalenedisulfonic acid,4-benzamido-5-hydroxy-6-[[p-[(2-hydroxyethyl)sulfonyl]phenyl]azo]-, 6-(hydrogensulfate) (8CI); 1-(Benzoylamino)-8-hydroxy-7-[[4-(b-sulfatoethylsulfonyl)phenyl]azo]naphthalene-4,6-disulfonicacid
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