(2S,4S,5S)-5-[(S)-2-Amino-3-(3H-imidazol-4-yl)-propanoylamino]-4-hydroxy-2-isopropyl-7-methyloctanoic acid {(1S,2S)-2-methyl-1-[(pyridin-2-ylmethyl)-carbamoyl]-butyl}-amide AIDS-081470 AIDS081470 H-His-LVA-Ile-Amp