(2R,3S,4S)-4-{(S)-3,3-Dimethyl-2-[2-(1-methyl-1H-tetrazol-5-ylsulfanyl)-ethanoylamino]-butanoylamino}-3-hydroxy-2-(4-methoxy-benzylamino)-5-phenyl-pentanoic acid (2-hydroxy-indan-1-yl)-amide 4NH3OH-5PhBuCOOH, 2NH-PHCH2 AIDS-032589 AIDS032589