Synonyms: Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, tungstatephosphate;Einecs 263-798-1;Ethanaminium, N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethyl-, tungstatephosphate;Ethanaminium, N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethyl-, tungsten phosphate;Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, tungstatephosphate (1:)