(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)thio]propanamide AIDS-031586 AIDS031586 LY289612 analog