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

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

(3aS,4S,7aR)-4-<(1S)-1,2-Dihydroxyethyl>-4-<<(tert-butyldiphenylsilyl)oxy>methyl>hexahydrobenzofuran-2(3H)-one

(3aS,4S,7aR)-4-Bis(ethylthio)methyl-4-<<(tert-butyldiphenylsilyl)oxy>methyl>hexahydrobenzofuran-2(3H)-one

(1R,2S,3S)-2-(2-Hydroxyethyl)-3-methyl-3-vinylcyclohexanol