AIDS-165020 AIDS165020 L-.alpha.-Asparagine, N-methyl-N-(1-oxo-3-phenylpropyl)-L-valyl-3-methyl-L-valyl-N1-[(1S)-1-(1-carboxycyclobutyl)-2-[[(1S)-1-carboxy-3-methylbutyl]amino]-2-oxoethyl]-, (1S)-1-methylheptyl ester PhCH2CH2CO-N-Me-Val-Tbg-Asp[1(S)-methylheptyloxy]-Asp(cyBu)-Leu-OH