(2S,3S,4S,5S)-4-<(ethoxycarbonyl)methyl>-2,3-(isopropylidenedioxy)-5-<(1R)-1,2-(isopropylidenedioxy)ethyl>-4-vinyltetrahydrofuran

(2S,3S,4S,5S)-4-(2-hydroxyethyl)-2,3-(isopropylidenedioxy)-5-<(1R)-1,2-(isopropylidenedioxy)ethyl>-4-vinyltetrahydrofuran

(2S,3S,4S,5S)-4-(formylmethyl)-2,3-(isopropylidenedioxy)-5-<(1R)-1,2-(isopropylidenedioxy)ethyl>-4-vinyltetrahydrofuran

(2R,3R,4R,5S)-5-<(1S)-2-(benzoyloxy)-1-hydroxyethyl>-2,3-(isopropylidenedioxy)-4-methyl-4-vinyltetrahydrofuran

(S)-1-((3aR,5S,6R,6aR)-2,2,6-trimethyl-6-vinyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)ethane-1,2-diyl dibenzoate