Formaldehyde-β-naphthalenesulfonic acid polymer sodium salt36290-04-7100 % similar Sodium 2-naphthalenesulfonate532-02-584 % similar Disodium 2,6-naphthalenedisulfonate1655-45-471 % similar Disodium 2,7-naphthalenedisulfonate1655-35-269 % similar Sodium 2,3-dihydroxynaphthalene-6-sulfonate135-53-558 % similar Sodium 6-hydroxy-2-naphthalenesulfonate135-76-258 % similar Sodium 7-hydroxy-2-naphthalenesulfonate135-55-756 % similar Disodium 1,6-naphthalenedisulfonate1655-43-255 % similar Disodium m-benzenedisulfonate831-59-453 % similar 2-Naphthol-3,6-disulfonic acid disodium salt135-51-352 % similar Sodium 2-phenylindole-5-sulfonate119205-39-950 % similar Sodium benzenesulfonate515-42-450 % similar Sodium 1,3,6-naphthalenetrisulfonate5182-30-950 % similar 2-Hydroxynaphthalene-6-sulfonic acid potassium salt833-66-949 % similar Naphthalene-2-sulfonic acid120-18-349 % similar Sodium 2-anthraquinonesulfonate131-08-848 % similar 4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt20349-39-748 % similar Sodium xylenesulfonate1300-72-746 % similar Sodium m-aminobenzenesulfonate1126-34-745 % similar Sodium diphenylamine-4-sulfonate6152-67-645 % similar