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-Aminonaphthalene-6-sulfonic acid 2-Naphthalenesulfonic acid, 6-amino- 2-Naphthylamine-6-sulfonic acid 6-Amino-2-naphthalenesulfonic acid 6-Naphthylamine-2-sulfonic acid 6-Naphthylamine-2-sulphonic acid 93-00-5 Broenner's acid Bronner acid Bronner's acid NSC4985 Phenamine Fast Scarlet 4BGP Pontamine Fast Scarlet 4BA