(S)-2-{(S)-2-[(1-{(S)-1-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-(4-fluorophenyl)-propanoyl]-pyrrolidin-2-yl}-methanoyl)amino]-3-methyl-butanoylamino}-3-methyl-butyric acid methyl ester AIDS-082167 AIDS082167 Fmoc-Phe(F)p-Pro-OMe