1,2-O-isopropylidene-5,6-O-methoxymethylidene-3-deoxy-α-D-xylohexofuranose

(R)-8-((3aR,5S,6aR)-2,2-Dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-8-hydroxy-oct-5-ynoic acid

(R)-8-((3aR,5R,6aR)-2,2-Dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-8-hydroxy-oct-5-ynoic acid methyl ester

5,6-Di-O-acetyl-3-deoxy-1,2-O-isopropylidene-α-D-ribo-hexofuranose

(R)-8-((3aR,5S,6aR)-2,2-Dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-yl)-8-hydroxy-oct-5-ynoic acid methyl ester