AIDS-164990 AIDS164990 L-Leucine, N-methyl-N-(1-oxo-3-phenylpropyl)-L-valyl-L-isoleucyl-N4,N4-diethylasparaginyl-L-.alpha.-aspartyl- PhCH2CH2CO-N-Me-Val-Ile-NHCH[CH2CO-N(Et)2]-CO-Asp-Leu-OH