(4S)-3-[4-(6-{(2S)-3-[1,1-bis(1-methylethyl)-2-methyl-1-silapropoxy]-2-[(4-methoxyphenyl)methoxy]propyl}(4S,6R)-2,2-dimethyl(1,3-dioxan-4-yl))(2S,3R)-3-hydroxy-2-methylbutanoyl]-4-benzyl-1,3-oxazolidin-2-one

tert-butyl (2S,4R,6S)-2-(4-methoxyphenyl)-6-(2-oxoethyl)-[1,3]dioxan-4-ylacetate