tert-butyl (3R,5S)-[6-allyl-2-(4-methoxyphenyl)-[1,3]dioxan-4-yl]acetate

tert-butyl 2-((6S,4R)-6-{[1,1-bis(1-methylethyl)-2-methyl-1-silapropoxy]methyl}-2-(4-methoxyphenyl)-1,3-dioxan-4-yl)acetate

[(2R,4R,6S)-6-((2RS,6R)-7-benzyloxy-2-hydroxy-4-oxo-6-triethylsilanyloxyheptyl)-2-(4-methoxyphenyl)-[1,3]dioxan-4-yl]acetic acid tert-butyl ester