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

[(3aR,5S,6aR)-5-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-dihydro-furo[2,3-d][1,3]dioxol-(6Z)-ylidene]-acetic acid ethyl ester

[(3aR,5S,6aR)-5-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-dihydro-furo[2,3-d][1,3]dioxol-(6E)-ylidene]-acetic acid ethyl ester

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

3-deoxy-1,2:5,6-di-O-isopropylidene-3-C-methyl-3-C-vinyl-α-D-allofuranose