1H-Pyrazole-3-carboxylic acid, 4-[5-[3-carboxy-1,5-dihydro-5-oxo-1-(2-sulfoethyl)-4H-pyrazol-4-ylidene] -1,3-pentadienyl]-4,5-dihydro-5-oxo-1-(2-sulfoethyl)-, tetrapotassium salt

CAS:120563-24-8

Formula:C17H18N4O12S2.4K