70208-51-4

dipotassium p-[4,5-dihydro-4-[5-[5-hydroxy-3-methyl-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl]penta-2,4-dienylidene]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonate