Sodium 7-Amino-2-naphthalenesulfonate, Sodium 7-Amino-2-naphthalenesulfonate t, Cassella's Acid F Sodium Salt, 7-AMINO-2 NAPTHALENE SULFONIC ACID, SELLA'S ACID F, Aminonaphtalenesulfonicacidsodiumsalt, 2-Naphthylamine-7-sulfonic Acid Sodium Salt, sodium 7-aminonaphthalene-2-sulphonate