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4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt20349-39-746 % similar Tiron (chemical)149-45-145 % similar Disodium 9,10-dioxoanthracene-1,5-disulfonate(2-)853-35-045 % similar 1-Naphthol-4-sulfonic acid84-87-745 % similar Tetrasodium 1,3,6,8-pyrenetetrasulfonate59572-10-044 % similar 2-Naphthol-3,6-disulfonic acid disodium salt135-51-344 % similar Ponceau 4R2611-82-744 % similar Sodium 2-formylbenzenesulfonate1008-72-644 % similar Disodium m-benzenedisulfonate831-59-443 % similar C.I. Acid red 9710169-02-542 % similar Scarlet gn4548-53-242 % similar Sodium anthraquinone-1-sulfonate128-56-342 % similar Potassium 1-naphthol-2-sulfonate832-49-542 % similar Hydroxynaphthol blue63451-35-442 % similar Sodium 2,3-dihydroxynaphthalene-6-sulfonate135-53-541 % similar Calcium dobesilate20123-80-241 % similar Potassium 2,5-dihydroxybenzenesulfonate21799-87-141 % similar Sodium 4-hydroxybenzenesulfonate825-90-141 % similar Sodium benzenesulfonate515-42-440 % similar Acid orange 7633-96-540 % similar