85443-66-9 9-(2-Carboxyphenyl)-3,6-bis(diethylamino)xanthylium (3-((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-2-hydroxy-5-nitrobenzenesulphonato(3-))hydroxychromate(1-) EINECS 287-256-9