1-[(2S,3S)-4-Cyclohexyl-3-({N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-asparaginyl}amino)-2-hydroxybutanoyl]-L-prolyl-L-alloisoleucyl-L-valinamide AIDS-163661 AIDS163661 Fmoc-Asn-(2S, 3S)-AHPBA-Pro-Ile-Val-NH2