barium bis[p-[4,5-dihydro-3-methyl-5-oxo-4-(phenylazo)-1H-pyrazol-1-yl]benzenesulphonate]

Bis[4-[[4,5-dihydro-3-methyl-5-oxo-4-(phenylazo)-1H-pyrazol]-1-yl]benzenesulfonic acid]barium salt