2-Azabicyclo[2.2.2]octane-3-carboxamide, 2-[2-[[(2S)-2-cyclohexyl-2-[(pyrazinylcarbonyl)amino]acetyl]amino]-3,3-dimethyl-1-oxobutyl]-N-[(1S)-1-[2-(cyclopropylamino)-1,2-dioxoethyl]butyl]-, (3S)- AIDS-190055 AIDS190055