(S)-2-{(S)-2-[(1-{(S)-1-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-phenyl-propanoyl]-pyrrolidin-2-yl}-methanoyl)-amino]-3-methyl-butanoylamino}-3-methyl-butyric acid methyl ester AIDS-082164 AIDS082164 Fmoc-Phe-Pro-Val-Val-OMe