AIDS-164977 AIDS164977 L-Leucine, N-[2-[[(2S,3S)-3-methyl-2-[[(2S)-3-methyl-2-[methyl(1-oxo-3-phenylpropyl)amino]-1-oxobutyl]amino]-1-oxopentyl]amino]-1,4-dioxoundecyl]-L-.alpha.-aspartyl- PhCH2CH2CO-N-Me-Val-Ile-NHCH(2-oxononyl)-CO-Asp-Leu-OH