allyl 2-O-benzoyl-4-O-<2-O-benzoyl-3,6-di-O-benzyl-4-O-(chloroacetyl)-β-D-galactopyranosyl>-3,6-di-O-benzyl-α-D-galactopyranoside

allyl 4-O-(4-O-acetyl-2-O-benzoyl-3,6-di-O-benzyl-β-D-galactopyranosyl)-2-O-benzoyl-3,6-di-O-benzyl-α-D-galactopyranoside

2-O-benzoyl-3,6-di-O-benzyl-4-O-(chloroacetyl)-α-D-galactopyranosyl chloride