AIDS-052064 AIDS052064 Boc-Phe-His-Leu-[CH(OH)CH(OH)]-Val-Mba {(S)-1-[(S)-1-[(1S,3S,4R,5R)-3,4-Dihydroxy-1-isobutyl-6-methyl-5-(3-methyl-butylcarbamoyl)-2-oxo-heptylcarbamoyl]-2-(3H-imidazol-4-yl)-ethylcarbamoyl]-2-phenyl-ethyl}-carbamic acid tert-butyl ester