5(.epsilon.AcKPR)-TASP AIDS-111793 AIDS111793 Lys[-(Arg-Pro-Lys-Ac)2]-Lys-Lys[-Arg-Pro-Lys-Ac]-Gly-Pro-Lys[-Arg-Pro-Lys-Ac]-Glu-Lys[-Arg-Pro-Lys-Ac]-Gly-Cys-OH Pseudopeptides