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

(4S,5R)-5-benzyloxymethyl-4-bromomethyl-2,2-dimethyl-1,3-dioxolane

(2R,3R)-1-benzyloxy-3,4-epoxy-2-butanol

(R,R)-4-benzyloxy-2,3-dihydroxybutyl methanesulfonate

(R,R)-4-benzyloxy-2,3-bis(1-ethoxyethoxy)-1-butanol