(S)-2-{(2S,3S)-2-[(2S,4S,5S)-5-((S)-2-{(S)-2-[(S)-2-((S)-2-Amino-3-methyl-butanoylamino)-3-hydroxypropanoylamino]-4-carbamoylbutanoylamino}-propanoylamino)-4-hydroxy-2-isopropyl-7-methyl-octanoylamino]-3-methyl-pentanoylamino}-3-methyl-butyric acid AIDS-080610 AIDS080610