allyl(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-(1 -> 2)-[(2,3,4-tri-O-acetyl-β-D-xylopyranosyl)-(1 -> 3)]-4-O-acetyl-α-D-fucopyranoside

2,3,4-tri-O-acetyl-D-xylopyranosyl trichloroacetimidate

allyl α-D-isopropylidene-α-D-fucopyranoside

allyl 3,4-O-isopropylidene-α-D-fucopyranoside