89439-53-2

Benzenesulfonic acid,5-[4-[5-[1,5-dihydro-3-methyl-5-oxo-1-(4-phenoxy-3-sulfophenyl)-4H-pyrazol-4-ylidene]-1,3-pentadienyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-2-phenoxy-, dipotassium salt