105975-97-1 3375-25-5 62594-53-0 63182-26-3 81122-38-5 86893-14-3 9-(2-Carboxylatophenyl)-3,6-bis(diethylamino)xanthylium EINECS 222-163-9 Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, inner salt