(2S,4S,5S)-5-[(S)-2-((S)-2-Amino-3-phenyl-propanoylamino)-3-(3H-imidazol-4-yl)-propanoylamino]-4-hydroxy-2-isopropyl-7-methyl-octanoic acid {(1S,2S)-2-methyl-1-[(pyridin-2-ylmethyl)-carbamoyl]-butyl}-amide AIDS-081471 AIDS081471 H-Phe-His-LVA-Ile-Amp