This is a nootropic drug invented in 1996 by a group Operating for Merck, Sharp and Dohme, that was the main compound designed which acts to be a subtype-selective inverse agonist with the ?five subtype on the benzodiazepine binding internet site on the GABAA receptor.DL-Phenylalanine is a racemic mixture of phenylalanine, an aromatic amino acid wi