13082-47-8 9-(2-Carboxyphenyl)-3,6-bis(diethylamino)xanthylium hydroxide Ammonium, (9-(o-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)diethyl-, hydroxide EINECS 235-992-6 Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, hydroxide