5[(D)K(.PSI.CH2N)(D)P(D)R]-TASPm AIDS-111872 AIDS111872 Lys[-(D-Arg-D-Pro.psi.(CH2N)-D-Lys-NH2)2]-Lys[-D-Arg-D-Pro.psi.(CH2N)-D-Lys-NH2]-Lys[-D-Arg-D-Pro.psi.(CH2N)-D-Lys-NH2]-Lys[-D-Arg-D-Pro.psi.(CH2N)-D-Lys-NH2]-Gly-Cys-OH Pseudopeptides