1,6-Naphthalenedisulfonic acid, 8-hydroxy- 1-Hydroxy-3,8-naphthalenedisulfonic acid 1-Hydroxynaphthalene-3,8-disulfonic acid 1-Naphthol, 3,8-disulfo- 1-Naphthol-3,8-disulfonic acid 117-43-1 Andresen's Acid Disulfo Acid E NSC8628