2-Naphthol-6,8-disulfonic acid dipotassium salt;G Acid Dipotassium Salt;1,3-Naphthalenedisulfonic acid,7-hydroxy-,dipotassium salt;dipotassium 7-hydroxynaphthalene-1,3-disulfonate;7-Hydroxy-1,3-naphthalenedisulfonic acid dipotassium salt;
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