1,4-Naphthionic monosodium salt 1-Naphthalenesulfonic acid, 4-amino-, monosodium salt 130-13-2 14047-61-1 4-AMINO-1-NAPHTHALENESULFONIC ACID, NA SALT 4-Amino-1-naphthalene sulfonic acid, sodium salt 4-Amino-1-napthalene sulfonic acid, sodium salt 84-86-6 AI3-19501 EINECS 204-975-5 NSC 168 Naphthemol Naphthionine Sodium 1-aminonaphthalene-4-sulfonate Sodium 1-naphthylamine-4-sulfonate Sodium 4-aminonaphthalene-1-sulphonate Sodium alpha-naphthylamine-4-sulfonate Sodium naphthionate