D-Glucose, O-a-D-glucopyranosyl-(1®4)-O-a-D-glucopyranosyl-(1®4)-O-a-D-glucopyranosyl-(1®4)-O-a-D-glucopyranosyl-(1®4)-O-a-D-glucopyranosyl-(1®4)-O-a-D-glucopyranosyl-(1®4)-O-a