(1,1'-Biphenyl)-3-sulfonic acid, 4-((4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl)azo)-4'-((2,5,6-trichloro-4-pyrimidinyl)amino)-, disodium salt (1,1'-Biphenyl)-3-sulfonic acid, 4-((4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl)azo)-4'-((2,5,6-trichloro-4-pyrimidinyl)amino)-,disodium salt 72139-23-2 Disodium 4-((4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl)azo)-4'-((2,5,6-trichloropyrimidin-4-yl)amino)(1,1'-biphenyl)-3-sulphonate EINECS 276-379-3