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1-Naphthol-4-sulfonic acid84-87-7100 % similar L Acid117-59-979 % similar Armstrong's acid81-04-964 % similar 8-Hydroxyquinoline-5-sulfonic acid84-88-861 % similar Naphthionic acid84-86-661 % similar 1-Amino-2-naphthol-4-sulfonic acid116-63-258 % similar Naphthalene-1,5-disulfonic acid tetrahydrate211366-30-258 % similar Sodium 1-naphthol-4-sulfonate6099-57-657 % similar 8-Hydroxyquinoline-5-sulfonic acid monohydrate283158-18-956 % similar Naphthalene-1-sulfonic acid85-47-256 % similar S Acid83-64-755 % similar 1,4-Naphthalenediol571-60-854 % similar Laurent acid84-89-951 % similar 2-Amino-1-naphthol-4-sulfonic acid567-13-550 % similar 1,3,5-Naphthalenetrisulfonic acid6654-64-450 % similar 2-Nitroso-1-naphthol-4-sulfonic acid3682-32-448 % similar 2-Naphthylamine-4,8-disulfonic acid131-27-147 % similar Dansyl acid4272-77-947 % similar 1-Naphthol-8-sulfonic acid117-22-647 % similar 2-Amino-1,5-naphthalenedisulfonic acid117-62-446 % similar