Potassium 2,5-dihydroxybenzenesulfonate21799-87-1100 % similar Calcium dobesilate20123-80-259 % similar 2-Naphthol-6,8-disulfonic acid dipotassium salt842-18-256 % similar Potassium p-hydroxybenzenesulfonate30145-40-556 % similar 2-Hydroxynaphthalene-6-sulfonic acid potassium salt833-66-955 % similar Sodium O-phenolsulfonate1300-51-250 % similar 2,7-Dihydroxy-3,6-naphthalenesulfonate disodium salt7153-21-150 % similar 2-Naphthalenesulfonic acid, 4,6-dihydroxy-, sodium salt (1:1)83732-66-547 % similar Sodium 6-hydroxy-2-naphthalenesulfonate135-76-245 % similar Sodium 1-naphthol-4-sulfonate6099-57-645 % similar Sodium 4-hydroxybenzenesulfonate825-90-144 % similar 2-Naphthol-3,6-disulfonic acid disodium salt135-51-344 % similar Sodium 7-hydroxy-2-naphthalenesulfonate135-55-744 % similar Pyranine6358-69-644 % similar Thiocol1321-14-843 % similar Direct yellow 43051-11-443 % similar Etamsylate2624-44-443 % similar Chrysoine resorcinol547-57-943 % similar Potassium 2,4,5-trichlorobenzenesulfonate62625-17-642 % similar Potassium 1-naphthol-2-sulfonate832-49-542 % similar