(2S)-2-((2S)-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-aminohexanoylamino)-4-methylpentanoic acid AIDS-095259 AIDS095259 Cyclic Lys-Lys-Lys-Gly-Lys-Leu-NH2 deriv.