1,5-NAPHTHALENEDISULFONIC ACID, 4-AMINO- 1-Aminonaphthalene-4,8-disulfonic acid 1-Naphthylamine-4,8-disulfonic acid 1-Naphthylamine-4,8-disulphonic acid 117-55-5 3-14-00-02264 (Beilstein Handbook Reference) 4-Amino-1,5-naphthalenedisulfonic acid 4-Aminonaphthalene-1,5-disulphonic acid Amino-S acid BRN 2764005 EINECS 204-196-0 NSC 5526 alpha-Naphthylamine-4,8-disulfonic acid