93964-93-3 EINECS 300-942-5 Tris(9-(2-carboxyphenyl)-3,6-bis(diethylamino)xanthylium) bis(4-(4,5-dihydro-4-((2-hydroxy-5-nitrophenyl)azo)-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonato(3-))chromate(3-)