85631-86-3 EINECS 288-036-5 Trisodium 4-((3-((3-(4,5-dihydro-3-methyl-5-oxo-4-((4-sulphonatophenyl)azo)-1H-pyrazol-1-yl)phenyl)azo)-2,4-dihydroxyphenyl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate