Synonyms: Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, bis(2-(hydroxy-kappaO)-5-nitro-3-(2-(2-(oxo-kappaO)-1-((phenylamino)carbonyl)propyl)diazenyl-kappaN1)benzenesulfonato(3-))chromate(3-) (3:1);(Chromate(3-), bis(2-((2-hydroxy-5-nitro-3-sulfophenyl)azo)-3-oxo-N-phenylbutanamidato(2-)))-, compd. with (ethanaminium, N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethyl-) (1:3);Tris(9-(2-carboxyphenyl)-3,6-bis(diethylamino)xanthylium) bis(3-((1-(anilinocarbonyl)-2-oxopropyl)azo)-2-hydroxy-5-nitrobenzenesulphonato(3-))chromate(3-);Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, bis(2-(hydroxy-kappaO)-5-nitro-3-((2-(oxo-kappaO)-1-((phenylamino)carbonyl)propyl)azo-kappaN1)benzenesulfonato(3-))chromate(3-) (3:1);chromic; [9-(2-carboxyphenyl)-6-diethylamino-xanthen-3-ylidene]-diethyl-ammonium; (2Z)-2-[(5-nitro-2-oxido-3-sulfonato-phenyl)hydrazono]-3-oxo-N-phenyl-butanimidate