AIDS-006183 AIDS006183 LY289599 N^1-[3-[2-[[(1,1-Dimethylethyl)amino]carbonyl]-3-methylphenyl]-2-hydroxy-1-(phenylmethyl)propyl]-2-[(2-quinolinylcarbonyl)amino]butanediamide, [1S-[1R*(R*),S*]]- Phe-Pro dipeptide isostere