120611-30-5 N,N-Diethyl-6-(diethylamino)-9-(2-(methoxycarbonyl)phenyl)-3H-xanthene-3-ylideneammonium trifluoromethanesulfonate Xanthylium, 3,6-bis(diethylamino)-9-(2-(methoxycarbonyl)phenyl)-, salt with trifluoromethanesulfonic acid (1:1)