disodium 4,5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate
CAS No. 3473-75-4
disodium 4,5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate;1-(4-Sodiooxysulfonylphenyl)-5-oxo-2-pyrazoline-3-carboxylic acid sodium salt;5-Oxo-1-(4-sulfophenyl)-2-pyrazoline-3-carboxylic acid disodium salt