(2S)-N-[(1S)-1-(Hydroxymethyl)-2-oxoethyl]-2-{2-[(3S,6S,9S)-1,4,7,10,17,20-hexaaza-2,5,8,11,16,19-hexaoxo-3,6,9-tris(4-aminobutyl)cyclohexacosyl]acetylamino}-6-aminohexanamide AIDS-095260 AIDS095260 Cyclic Lys-Lys-Lys-Gly-Lys-Ser-NH2 deriv.