1-((2-(Diethylamino)ethyl)amino)-4-(hydroxymethyl)thioxanthen-9-one N-oxide 54484-90-1 Hycanthone N-oxide Hycanthone-N-oxide Thioxanthen-9-one, 1-((2-(diethylamino)ethyl)amino)-4-(hydroxymethyl)-, N-oxide WIN 29329