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Sodium 2-phenylindole-5-sulfonate119205-39-936 % similar Direct black 196428-31-536 % similar 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid monosodium salt5460-09-336 % similar Sodium benzenesulfonate515-42-436 % similar Zinc phenolsulfonate127-82-235 % similar Potassium p-hydroxybenzenesulfonate30145-40-535 % similar Disodium anthraquinone-2,7-disulfonate853-67-835 % similar Anthraquinone-2,6-disulfonic acid disodium salt853-68-935 % similar Amido black 10B1064-48-835 % similar C.I. Acid black 28005-03-635 % similar Sodium 4,5-dihydroxy-3,6-bis[2-(2-sulfophenyl)diazenyl]-2,7-naphthalenedisulfonate (4:1)68504-35-835 % similar Sodium O-phenolsulfonate1300-51-235 % similar Sodium 5-hydroxy-1-naphthalenesulfonate5419-77-235 % similar 2-Aminobenzene-1,4-sulfonic acid monosodium salt24605-36-535 % similar Congo red573-58-034 % similar Lignin9005-53-234 % similar Poly(sodium 4-styrenesulfonate)25704-18-134 % similar Sodium 4-styrenesulfonate2695-37-634 % similar Jing ming3863-80-734 % similar C.I. Acid blue 19312392-64-234 % similar