72829-13-1

4-[3-methyl-4-[[4-[[4-[[3-methyl-5-oxo-1-(4-sulfonatophenyl)-4H-pyrazol-4-yl]diazenyl]phenyl]carbamoyl]phenyl]diazenyl]-5-oxo-4H-pyrazol-1-yl]benzenesulfonate disodium 4-[3-methyl-4-[4-[[4-[[3-methyl-5-oxo-1-(4-sulfonatophenyl)-4H-pyrazol-4-yl]diazenyl]benzoyl]amino]phenyl]diazenyl-5-oxo-4H-pyrazol-1-yl]benzenesulfonate disodium p-[4-[[4-[[4-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl]azo]benzoyl]amino]phenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonate 4-[[4-[[4-[[4-[[[4,5-Dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol]-4-yl]azo]benzoyl]amino]phenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol]-1-yl]benzenesulfonic acid disodium salt