139477-70-6

Benzenesulfonic acid,2-[[[4,5-dihydro-1-(2-hydroxyethyl)-4-[3-[5-hydroxy-1-(2-hydroxyethyl)-3-[[(2-sulfophenyl)amino]carbonyl]-1H-pyrazol-4-yl]-2-propenylidene]-5-oxo-1H-pyrazol-3-yl]carbonyl]amino]-, dipotassium salt