(S)-N-(1S,2R)-[3-[2-[[(1,1-Dimethylethyl)amino]carbonyl]phenyl]-2-hydroxy-1-(phenylmethyl)propyl]-2-(methylsulfonyl)amino]- 3-[(1-N-methyltetrazol-5-yl)sulfinyl]propanamide AIDS-031594 AIDS031594 LY289612 analog