AIDS-163755 AIDS163755 PhCH2-O-CO-Asn-(2S,3S)-AHPBA-Php-NH-tBu {(S)-1-[(1S,2S)-1-Benzyl-3-((2S,3R)-2-tert-butylcarbamoyl-3-phenyl-pyrrolidin-1-yl)-2-hydroxy-3-oxo-propylcarbamoyl]-2-carbamoyl-ethyl}-carbamic acid benzyl ester