4NH3OH-5PhBuCOOH, 2NH-PHCH2 AIDS-032603 AIDS032603 {(S)-1-[(1S,2S,3R)-3-{4-[(3-H-Benzoimidazol-2-yl-propanoylamino)-methyl]-benzylamino}-1-benzyl-2-hydroxy-3-(2-hydroxy-indan-1-ylcarbamoyl)-propylcarbamoyl]-2,2-dimethyl-propyl}-carbamic acid benzyl ester