“…(II) and Phenobarbitone (5-phenyl-5-ethylbarbituric acid, VI). Dolitrone, whose structure seems to combine the essential groupings of both these latter substances and whose hypnotic activity is likewise antagonized by Bemegride (/3-methyl-/;fethylglutarimide) (Shulman and Laycock, 1957), was recently introduced into the practice of anaesthesia by Lundy (1955) as an analgesic and mild narcotic producing a state of "controlled amnesia". Lande andBentley (1955), Lundgren (1956), McKeogh and Shaw (1956), Shaw, Simon, Cass, Shulman, Anstee and Nelson (1954), Shaw (1955), Shaw and Bentley (1955), Shaw and Shulman (1955), , Shulman (1956a), Shulman, Shaw, Cass and Whyte (1955), Shnhnan and Tiethewie (1956).…”