1-Hydroxynaphthalene-4,8-disulfonicacid; 1-Naphthol-4,8-disulfonic acid; 4-Hydroxy-1,5-naphthalenedisulfonic acid;NSC 8629; Schoellkopf's acid; Schollkopf's acid; a-Naphthol-4,8-disulfonic acid; a-Naphtholdisulfonic acid S
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