2-Acetamido-4-O-{2-acetamido-4-O-[[3-O-[2,4-di-O-(2-acetamido-2-deoxy-b-D-glucopyranosyl)-a-D-mannopyranosyl]-6-O-[2,6-di-O-(2-acetamido-2-deoxy-b-D-glucopyranosyl)-b-D-mannopyranosyl]-b-D-mannopyranosyl]]-2-deoxy-b-D-glucopyranosyl}-6-O-(a-L-fucopyranosyl)-2-deoxy-b-D-thioglucopyranoside