65392-81-6 EINECS 265-730-6 Hydrogen 9-(2,4-dicarboxylatophenyl)-3,6-bis(diethylamino)xanthylium, sodium salt Xanthylium, 9-(2,4-dicarboxyphenyl)-3,6-bis(diethylamino)-, hydroxide, inner salt, monosodium salt Xanthylium, 9-(2,4-dicarboxyphenyl)-3,6-bis(diethylamino)-, hydroxide, inner salt, sodium salt Xanthylium, 9-(2,4-dicarboxyphenyl)-3,6-bis(diethylamino)-, inner salt, sodium salt