64265-19-6 9H-Thioxanthen-9-one, 1-((2-(diethylamino)ethyl)amino)-4-(hydroxymethyl)-, N-oxide, formate Formic acid, compd. with 1-((2-(diethylamino)ethyl)amino)-4-(hydroxymethyl)-9H-thioxanthen-9-one N-oxide (1:1) SW 5