1-Naphthol-3-sulfonicacid, 6-benzamido- (6CI);2-Naphthalenesulfonic acid, 7-benzamido-4-hydroxy-(8CI);2-(Benzoylamino)-5-hydroxy-7-naphthalenesulfonic acid;6-(Benzoylamino)-1-hydroxy-3-naphthalenesulfonic acid;6-Benzamido-1-naphthol-3-sulfonic acid;7-Benzamido-4-hydroxy-2-naphthalenesulfonic acid;
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