(Glcnac)6 (1-4) 13319-33-0 N-Acetylglucosamine hexasaccharide 1-4 beta-D-Glucopyranose, O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-4)-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-4)-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-4)-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-4)-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-4)-2-(acetylamino)-2-deoxy-