(1S,3R,4R,5S,7RS)-3,4-(isopropylidenedioxy)-1-<(1R)-1,2-(isopropylidenedioxy)ethyl>-2-oxaspiro<4.4>nonan-7-ol

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

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

(1S,3S,7S,9R,11R)-9-acetoxy-5,5,8-trimethyl-11-<(trimethylacetoxy)methyl>-2,4,6,10-tetraoxatricyclo<6.3.01,8.03,7>undecane

(1S,3S,7S,9R,11R)-9-hydroxy-5,5,8-trimethyl-11-<(trimethylacetoxy)methyl>-2,4,6,10-tetraoxatricyclo<6.3.01,8.03,7>undecane