(S)-[(S)-2-((S)-2-Amino-7-heptanoylamino-heptanoylamino)-7-heptanoylamino-heptanoylamino]-[5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3,4-dihydroxy-tetrahydro-furan-2-yl]-acetic acid AIDS-087991 AIDS087991 N-.epsilon.-Octanoyllysyl-N-.epsilon.-octanoyllysyl-UPOC