5(KGR)-TASP AIDS-111796 AIDS111796 Lys[-(Arg-Gly-Lys-NH2)2]-Lys-Lys[-Arg-Gly-Lys-NH2]-Gly-Pro-Lys[-Arg-Gly-Lys-NH2]-Glu-Lys[-Arg-Gly-Lys-NH2]-Gly-Cys-OH Pseudopeptides