Pent-4-enyl 2,3-di-O-benzyl-4,6-O-benzylidene-β-D-galactopyranoside

Pent-4-enyl 2,3-di-O-benzyl-β-D-galactopyranoside

Pent-4-enyl 2,3-di-O-benzyl-4-O-chloroacetyl-6-O-(4-methoxyphenyl)-β-D-galactopyranoside

Benzyl 2,3-di-O-benzyl-6-O-(4-methoxyphenyl)-β-D-galactopyranoside