2-[[4-Chloro-6-[[3-[[[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol]-4-yl]azo]-4-sulfophenyl]amino]-1,3,5-triazin-2-yl]amino]-5-sulfobenzoic acid

2-[[4-chloro-6-[[3-[[1-(2,5-dichloro-4-sulphophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-4-sulphophenyl]amino]-1,3,5-triazin-2-yl]amino]-5-sulphobenzoic acid