(2R,3S)-3-(N-Acetyl-L-leucyl-L-asparaginyl)amino-2-hydroxy-4-phenylbutyryl-L-prolyl-L-isoleucyl-L-valine methyl ester AIDS-071315 AIDS071315 Ac-Leu-Asn-(2R,3S)-AHPBA-Pro-Ile-Val-OMe