52126-51-9

3-CARBOXY-1-(4'-SULFOPHENYL)-5-PYRAZOLONE SODIUM SALT CARBOXYSULFOPHENYL PYRAZOLONE 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1h-pyrazole-3-carboxylicacimonosodium Carboxysulfophenylpyrazolonesodiumsalt sodium hydrogen 4,5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate 3-CARBOXY-1-(4''-SULFOPHENYL)-5-PYRAZOLONE SODIUM SALT 98+% 4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazole-3-carboxylic acid monosodium salt Sodium 5-oxo-1-(4-sulfophenyl)-4H-pyrazole-3-carboxylate 1-(4-Sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid·sodium salt 1-(4-Sodiosulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid