AIDS-163655 AIDS163655 N-[(2R,3S)-3-({N-[(Benzyloxy)carbonyl]-L-valyl}amino)-2-hydroxy-4-phenylbutanoyl]-L-phenylalanyl-N1-isobutyl-L-valinamide PhCH2-O-CO-Val-(2R, 3S)-AHPBA-Phe-Val-NH-iBu