4-((4R,6R)-6-{(2S)-3-[1,1-bis(1-methylethyl)-2-methyl-1-silapropoxy]-2-[(4-methoxyphenyl)methoxy]propyl}-2,2-dimethyl(1,3-dioxan-4-yl))(2S,3R)-N-methoxy-2-methyl-N-methyl-3-(tert-butyldimethylsilyloxy)butanamide

1-(4'R-benzyl-2'-oxo-oxazolidin-3'-yl)-7R-(4-methoxy-benzyloxy)-2R,4S,6R-trimethyl-9-phenyl-5S-(triethyl-silanyloxy)-non-8-ene-1,3-dione

4-((4R,6R)-6-{(2S)-3-[1,1-bis(1-methylethyl)-2-methyl-1-silapropoxy]-2-[(4-methoxyphenyl)methoxy]propyl}-2,2-dimethyl(1,3-dioxan-4-yl))(2S,3R)-2-methyl-3-(tert-butyldimethylsilyloxy)butan-1-one