(S)-2-{(S)-2-[(1-{(S)-1-[(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-propanoylamino]-3-(4-fluorophenyl)-propanoyl]-pyrrolidin-2-yl}-methanoyl)-amino]-3-methyl-butanoylamino}-3-methyl-butyric acid methyl ester AIDS-082173 AIDS082173 Fmoc-Ala-Phe(F)p-Pro-OMe