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TPPTS63995-70-043 % similar Potassium 4-bromobenzenesulfonate66788-58-742 % similar 2-Naphthalenesulfonic acid, 7,7′-(carbonyldiimino)bis[4-hydroxy-, sodium salt (1:2)20324-87-242 % similar 2,6-Dihydroxynaphthalene581-43-142 % similar Sodium 2-anthraquinonesulfonate131-08-842 % similar 2,7-Naphthalenedisulfonic acid92-41-142 % similar 2-Naphthol135-19-341 % similar Ponceau 3R3564-09-841 % similar Hydroxynaphthol blue63451-35-441 % similar Amaranth (dye)915-67-341 % similar Tiron (chemical)149-45-140 % similar Ponceau S6226-79-540 % similar Poly(sodium 4-styrenesulfonate)25704-18-140 % similar Sodium 4-styrenesulfonate2695-37-640 % similar Orange G1936-15-840 % similar Direct yellow 43051-11-440 % similar Acid chrome blue K3270-25-539 % similar Acid orange 7633-96-539 % similar Sodium 4-chloro-3-nitrobenzenesulfonate17691-19-939 % similar Jing ming3863-80-739 % similar