Woodward'S reagent K4156-16-5100 % similar Disodium m-benzenedisulfonate831-59-443 % similar Sodium m-aminobenzenesulfonate1126-34-738 % similar Tppts63995-70-038 % similar Potassium diphenyl sulfone-3-sulfonate63316-43-836 % similar Nitrol S127-68-435 % similar Disodium 1,6-naphthalenedisulfonate1655-43-235 % similar Sodium benzenesulfonate515-42-434 % similar Metanil yellow587-98-433 % similar Sodium xylenesulfonate1300-72-733 % similar Sodium 2-naphthalenesulfonate532-02-533 % similar Disodium 2,6-naphthalenedisulfonate1655-45-433 % similar Sodium 2-phenylindole-5-sulfonate119205-39-932 % similar Disodium 2,7-naphthalenedisulfonate1655-35-232 % similar Ferric P-toluenesulfonate77214-82-531 % similar Sodium 1,3,6-naphthalenetrisulfonate5182-30-931 % similar Tetraethylammonium P-toluenesulfonate733-44-831 % similar Pyridinium, 4-formyl-1-methyl-, benzenesulfonate (1:1)82228-89-530 % similar