1-Naphthalenesulfonicacid, 4-amino-3-hydroxy-, monosodium salt (8CI,9CI); 1-Amino-2-naphthol-4-sodiumsulfonate; 1-Amino-2-naphthol-4-sulfonic acid sodium salt; Sodium1-amino-2-hydroxy-4-naphthalene sulfonate; Sodium1-amino-2-naphthol-4-sulfonate; Sodium 4-amino-3-hydroxy-1-naphthalenesulfonate
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