3-azidopropyl 2-O-benzoyl-4,6-O-benzylidene-3-O-(9-fluorenylmethoxycarbonyl)-β-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-β-D-galactopyranoside

3-azidopropyl 6-O-trityl-β-D-galactopyranoside

3-azidopropyl 2,3,4-tri-O-benzoyl-β-D-galactopyranoside

phenyl 2-O-benzoyl-4,6-O-benzylidene-3-O-(9-fluorenemethoxycarbonyl)-1-thio-β-D-galactopyranoside

3-bromopropyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside