2-(trimethylsilyl)ethyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-[2,3,4,6-tetra-O-acetyl)-β-D-glucopyranosyl-(1->6)]-3-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranoside

2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-[2,3,4,6-tetra-O-acetyl)-β-D-glucopyranosyl-(1->6)]-3-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl trichloroacetimidate

methyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl-(1->4)-3-O-acetyl-6-O-chloroacetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl-(1->3)-2,4,6-tri-O-benzyl-β-D-galactopyranoside