ethyl 2,3,4-tri-O-benzyl-6-O-chloroacetyl-1-thio-β-D-galactopyranoside

ethyl 2,3,4-tri-O-benzyl-1-thio-6-O-(triphenylmethyl)-β-D-galactopyranoside

1,2,5,6-tetra-O-acetyl-α,β-D-galactofuranose

3-O-benzyl-1,2-O-isopropylidene-α-D-galactofuranose