C.I.22375

disodium 5-[[4'-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl]azo][1,1'-biphenyl]-4-yl]azo]salicylate

2-Hydroxy-5-[[4'-[[3-methyl-4,5-dihydro-1-(4-sodiosulfophenyl)-5-oxo-1H-pyrazol-4-yl]azo]-1,1'-biphenyl-4-yl]azo]benzoic acid sodium salt