53014-12-3

trisodium p-[4,5-dihydro-3-methyl-4-[1-methyl-3-[3-methyl-5-oxido-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl]allylidene]-5-oxo-1H-pyrazol-1-yl]benzenesulphonate