5-Oxazolidinepropanoic acid, 3-[(1,1-dimethylethoxy)carbonyl]-4-[(2S)-2-[[4-methoxy-3-(3-methoxypropoxy)phenyl]methyl]-3-methylbutyl]-2,2-dimethyl-α-(1-methylethyl)-, (αS,4S,5S)- [ 172900-88-8 ]