(Benzimidazol-2-ylmethyl)amino 2-((3S,4S,2R)-4-[(tert-butoxy)carbonylamino]-3-hydroxy-2-{[(4-methoxyphenyl)methyl]amino}-5-phenylpentanoylamino)-2-phenylacetate 4NH3OH-5PhBuCOOH, 2NH-PHCH2 AIDS-032573 AIDS032573