AIDS-164999 AIDS164999 DAT-N-Me-Val-Ile-NHCH[CH2CO-N(Et)2]-CO-Asp-Leu-OH L-Leucine, N-[(4-hydroxyphenyl)acetyl]-N-methyl-L-valyl-L-isoleucyl-N4,N4-diethylasparaginyl-L-.alpha.aspartyl-