1-((2-(Diethylamino)ethyl)amino)-9-oxothioxanthene-4-carboxylic acid 16140-23-1 5-18-12-00404 (Beilstein Handbook Reference) 9H-Thioxanthene-4-carboxylic acid, 1-((2-(diethylamino)ethyl)amino)-9-oxo- (9CI) BRN 1403674 Hycanthone acid Hycanthone-4-carboxylic acid Thioxanthene-4-carboxylic acid, 1-((2-(diethylamino)ethyl)amino)-9-oxo- WIN 25,850