4NH3OH-5PhBuCOOH, 2NH-PHCH2 AIDS-032577 AIDS032577 [(1S,2S,3R)-1-Benzyl-2-hydroxy-3-[4-(2-hydroxy-ethoxy)-benzylamino]-3-((R)-2-hydroxy-indan-1-ylcarbamoyl)-propyl]-carbamic acid tert-butyl ester