O-2-(Acetylamino)-2-deoxy-?-D-glucopyranosyl-(1-6)-O-[?-D-galactopyranosyl-(1-3)]-2-(acetylamino)-2-deoxy-?-D-galactopyranose; Gal1?-3(GlcNAc1?-6)GalNAc;2-Acetamido-6-O-(2-acetamido-2-deoxy-?-D-glucopyranosyl)-3-O-(?-D-galactopyranosyl)-2-deoxy-?-D-galactopyranose;2-Acetamido-6-O-(2-acetamido-2-deoxy-D-glucopyranosyl)-3-O(-D-galactopyranosyl)-2-deoxy-D-galactopyranose