(S)-2-{(S)-3-Carboxy-2-[(S)-3-((S)-1-methyl-heptyloxycarbonyl)-2-((2S,3S)-3-methyl-2-{(S)-3-methyl-2-[methyl-(3-phenyl-propanoyl)-amino]-butanoylamino}-pentanoylamino)-propanoylamino]-propanoylamino}-4-methyl-pentanoic acid methyl ester AIDS-165023 AIDS165023 PhCH2CH2CO-N-Me-Val-Ile-Asp[1(S)-methylheptyloxy]-Asp-Leu-OCH3