anandamide [ 5,8,11,14-eicosatetraenamide, N-(2-hydroxyethyl)-,5,8,11,14-eicosatetraenoylethanolamide,N-(2-hydroxyethyl)arachidonamide,N-arachidonoyl-2-hydroxyethylamide,anandamide (20.4,n-6),arachidonoyl ethanolamide,arachidonoylethanolamide,arachidonylethanolamide,n-arachidonoylethanolamide ] a lyophilized brain hexane-extractable inhibitor (LBHI); a brain cannabinoid receptor agonist; structure given in first source is octadecatetraenoylethanolamide; see structure given in p. 1948 of the