(+-)-9-(2-(Diethylamino)-1-methylethyl)-9H-xanthen-9-ol maleate 35870-83-8 9-(2-(Diethylamino)-1-methylethyl)xanthyrol maleate 9H-Xanthen-9-ol, 9-(2-(diethylamino)-1-methylethyl)-(+-)-, (Z)-2-butenedioate