910447-80-2

1-Pyrrolidinecarboxylic acid,2-[(1S,2S)-3-(3,5-difluorophenyl)-1-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-[[3-hydroxy-5-(2-oxo-1-pyrrolidinyl)benzoyl]amino]propyl]-4-propoxy-,1,1-dimethylethyl ester, (2R,4R)-