phenyl 4-O-acetyl-2-azido-3-O-chloroacetyl-2-deoxy-6-O-t-butyldiphenylsilyl-1-thio-β-D-galactopyranoside

phenyl 4-O-acetyl-2-azido-3-O-chloroacetyl-2-deoxy-1-thio-β-D-galactopyranoside

N-(benzyloxycarbonyl)-O-(4-O-acetyl-2-azido-3-O-chloroacetyl-2-deoxy-6-O-t-butyldiphenylsilyl-α-D-galactopyranosyl)-L-serine methyl ester

N-(benzyloxycarbonyl)-O-(4-O-acetyl-2-azido-2-deoxy-6-O-t-butyldiphenylsilyl-α-D-galactopyranosyl)-L-serine methyl ester

N-(benzyloxycarbonyl)-O-(4-O-acetyl-2-azido-3-O-chloroacetyl-2-deoxy-α-D-galactopyranosyl)-L-serine methyl ester