1,6-Clev's acid 2-Amino-6-naphthalenesulfonic acid 2-Amino-6-naphthylsulfonic acid 2-Amino-6-sulfonaphthalene 2-Aminonaphthalene 6-sulfonate 2-Aminonaphthalene-6-sulfonate 2-Naphthalenesulfonic acid, 6-amino- 2-Naphthylamine-6-sulfonic acid 58306-86-8 6-AMINO-2-NAPHTHALENESULFONIC ACID 6-Aminonaphthalene-2-sulfonic acid 6-Aminonaphthalene-2-sulphonic acid 6-Naphthylamine-2-sulfonic acid 6-Naphthylamine-2-sulphonic acid 70682-62-1 93-00-5 Broenner's acid Bronner acid Bronner's acid EINECS 202-208-9 NSC 31511 Phenamine Fast Scarlet 4BGP Pontamine Fast Scarlet 4BA