acetyl (2R,3S,6R)-2-acetoxymethyl-6-((4RS)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-3,6-dihydro-2H-pyran-3-yl ester

(2R,6S)-2-(tert-butyldimethylsilanyloxymethyl)-6-((4RS)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)dihydropyran-3-one

[(2R,3R,6S)-6-((4RS)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-3-methyltetrahydropyran-2-yl]acetyl methyl ester

(2R,3S,6S)-6-((4RS)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-2-hydroxymethyltetrahydropyran-3-ol

acetic acid 3-acetoxy-6-(2,3-dihydroxy-propyl)-3,6-dihydro-2H-pyran-2-ylmethyl ester