(2S)-N-{4-[(2S)-2-(Benzimidazol-2-ylcarbonylamino)-3,3-dimethylbutanoylamino](1S,4S,2R,3R)-3-hydroxy-2-(hydroxymethyl)-5-phenyl-1-benzylpentyl}-2-(benzimidazol-2-ylcarbonylamino)-3,3-dimethylbutanamide AIDS-113266 AIDS113266