(S)-2-{(S)-3-Carboxy-2-[(S)-3-((S)-1-methyl-heptyloxycarbonyl)-2-((2S,3S)-3-methyl-2-{(S)-3-methyl-2-[methyl-(4-methyl-pentanoyl)-amino]-butanoylamino}-pentanoylamino)-propanoylamino]-propanoylamino}-4-methyl-pentanoic acid 4-Methylpentanoyl-N-Me-Val-Ile-Asp[1(S)-methylheptyloxy]-Asp-Leu-OH AIDS-165016 AIDS165016