67875-09-6 Benzenesulfonic acid, 2,5-bis((4-((4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl)azo)benzoyl)amino)-, tripotassium salt Benzenesulfonic acid, 2,5-bis(4-((3-methyl-5-oxo-1-(4-sulfophenyl)-4-pyrazolyl)azo)benzoylamino)-, tripotassium salt EINECS 267-523-6 Tripotassium 2,5-bis(4-((4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl)azo)benzamido)benzenesulphonate