AWD 52-39
AWD 52-39, or AWD-5239, also known as N,N-diacetoxyethyl-9,10-dihydrolysergamide, is a drug described as a "nootropic" (cognitive enhancer) of the lysergamide family related to lysergic acid diethylamide (LSD) that was never marketed. It was under development by Arzneimittelwerk Dresden, but development was discontinued.