AIDS-184496 AIDS184496 Butyl (2S)-2-{[4-(N-{3-[(5-{N-[(1S)-1-(butoxycarbonyl)-3-methylbutyl]carbamoyl}imidazol-4-yl)carbonylamino]propyl}carbamoyl)imidazol-5-yl]carbonylamino}-4-methylpentanoate