5-Aldo-1,2-O-isopropylidene-a-D-xylofuranose

5-ALDO-1,2-O-ISOPROPYLIDENE-ALPHA-D-XYLOFURANOSE

1,2-O-isopropylidene-α-d-xylo-pentodialdo-1,4-furanose

1,2-O-ISOPROPYLIDENE-ALPHA-D-XYLO-PENTODIALDO-1,4-FURANOSE