(2S)-N-(3-{(4S)-4-[N-(tert-Butyl)carbamoyl](1,3-oxazolidin-3-yl)}(1S,2S)-2-hydroxy-3-oxo-1-benzylpropyl)-2-(2-(5-isoquinolyloxy)acetylamino)-3-methylbutanamide AIDS-104293 AIDS104293 iQOA-Val-Apns(CHOH)-Oxa-NH-tert-butyl