5-deoxy-3-C-methyl-D-ribose ethylene dithioacetal

(4R,5R)-5-((R)-1-(benzyloxy)ethyl)-2,2-dimethyl-5-vinyl-1,3-dioxolane-4-carbaldehyde

(3R,4S,5R)-3-((R)-1-(benzyloxy)ethyl)-5-((benzyloxy)methyl)-3,4-bis(methoxymethoxy)dihydrofuran-2(3H)-one

(3R,4S,5R)-3,4-dihydroxy-5-methyl-4-vinyldihydrofuran-2(3H)-one

(3aR,6R,6aR)-2,2,6-trimethyl-6a-vinyldihydrofuro[3,4-d][1,3]dioxol-4(3aH)-one