(3R,4S,5R,6R)-6-(allyloxy)-4,5-bis(benzyloxy)tetrahydro-2H-pyran-3-ol

Allyl 2-O-p-tolylsulfonyl-β-D-arabinopyranoside

Allyl 4-O-acetyl-2,3-di-O-benzyl-β-D-xylopyranoside