p-[4-[5-[1,5-dihydro-3-methyl-5-oxo-1-(4-sulphophenyl)-4H-pyrazol-4-ylidene]penta-1,3-dienyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonic acid

CAS No: 65059-52-1

dihydro,methyl,sulphophenyl,pyrazol,ylidene,penta,dienyl,benzenesulphonic