2-naphthol-3,6-disulphonic acid, 3-Hydroxynaphthalene-2,7-disulphonic acid, 2,7-Naphthalenedisulfonic acid, 3-hydroxy-, 2-hydroxy-3,6-naphthalenedisulfonate, 2-hydroxy-3,6-naphthalenedisulfonic acid, 2,7-Naphthalenedisulfonic acid,3-hydroxy, 2-NAPHTHOL-3,6-DISULFONIC ACID, 3-hydroxy-naphthalene-2,7-disulfonic acid, 2-hydroxynaphthalene-3,6-disulfonic acid, 2-hydroxy-naphthalene-3,6-disulphonic acid, EINECS 205-724-2