1-(4-sulfo-1-naphthylazo)-2-naphthol-6,8-disulfonic acid;EINECS 230-648-1;1-(4-sulpho-1-naphthylazo)-2-naphthol-6,8-disulphonic acid;7-HYDROXY-8-[(4-SULFONAPHTHYL)AZO]NAPHTHALENE-1,3-DISULFONIC ACID;7-Hydroxy-8-((4-sulphonaphthyl)azo)naphthalene-1,3-disulphonic acid;
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