AIDS-170445 AIDS170445 N-{(1S)-2-[(6S,10S)-11-(2-Methylpropanoyl)-12-oxo-7,11-diazaspiro[1,3-dithiolane-2,8'-bicyclo[3.3.0]octane]-7-yl]-1-(methylethyl)-2-oxoethyl}(tert-butoxy)carboxamide