AIDS-163628 AIDS163628 H-ValL-Val-(2S, 3S)-AHPBA-(Bzl)Gly-(D)-Val-(D)-Val-NH2 N-Benzyl-N-{(2S,3S)-2-hydroxy-4-phenyl-3-[(L-valyl-L-valyl)amino]butanoyl}glycyl-L-valyl-L-valinamide-