AIDS-163654 AIDS163654 Boc-Val-(2R, 3S)-AHPBA-Phe-Val-NH-iBu N-((2R,3S)-3-{[N-(tert-Butoxycarbonyl)-L-valyl]amino}-2-hydroxy-4-phenylbutanoyl)-L-phenylalanyl-N1-isobutyl-L-valinamide