(4S)-4-(N-{4-[(2S)-2-(Acetylamino)-3-methylbutanoylamino](1S,2S,3S,4S)-2,3-dihydroxy-5-phenyl-1-benzylpentyl}carbamoyl)-4-[(2S)-2-(acetylamino)-3-phenylpropanoylamino]butanoic acid AIDS-092676 AIDS092676