2,7-Naphthalenedisulfonic acid,3-amino, 3-amino-naphthalene-2,7-disulfonic acid, amino-R acid, 2-amino-3,6-naphthalenedisulphonic acid, 3-azanylnaphthalene-2,7-disulfonic acid, 2-naphthylamine-3,6-disulphonic acid, 3-aminonaphthalene-2,7-disulphonic acid, 3-amino-2,7-disulfonic acid, 2-naphthylamine-3,6-disulfonic acid, Amido R acid
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