106682-42-2 1H-Pyrazole-3-carboxylic acid, 1-(3-((6-(benzoylamino)-1-hydroxy-3-sulfo-2-naphthalenyl)azo)phenyl)-4-((2-ethoxy-4-((3-sulfophenyl)azo)phenyl)azo)-4,5-dihydro-5-oxo-, trisodium salt 4-Hydroxy-7-((phenylcarbonyl)amino)-3-((3-(4-((4-((3-sulfophenyl)azo)-2-ethoxyphenyl)azo)-3-carboxy-5-oxo-4,5-dihydro-1H-pyrazolin-1-yl)phenyl)azo)-2-naphthalenesulfonic acid, trisodium salt