1,5-Naphthalenedisulfonic acid, 2-amino- 117-62-4 2-Amino-1,5-naphthalenedisulfonic acid 2-Aminonaphthalene-1,5-disulfonic acid 2-Naphthylamine-1,5-disulfonic acid Kyselina 2-naftylamin-1,5-disulfonova Kyselina sulfo-tobiaova NSC60279 Tobias acid, 5-sulfo- WLN: L66J BSWQ CZ GSWQ