AIDS-209320 AIDS209320 L-Alaninamide, N-(3-carboxy-1-oxopropoxy)-L-.alpha.-aspartyl-D-.alpha.-glutamyl-L-leucyl-L-isoleucyl-3-cyclohexyl-N~1~-[1-(2,2,3,3,3-pentafluoro-1-oxopropyl)cyclopropyl]-