1-((4R,5R)-5-(hydroxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl)propane-2-one

(4R,5R)-4-(benzyloxymethyl)-5-(1,3-dithian-2-ylmethyl)-2,2-dimethyl-1,3-dioxolane

1-tert-butyl-1,1-dimethylsilyl ((4R,5R)-5-(1,3-dithian-2-ylmethyl)-2,2-dimethyl-1,3-dioxolan-4-yl)methyl ether