138430-54-3 2-Amino-2-deoxyglucopyranosyl-1-4-2-amino-2-deoxyglucopyranosyl-(1-4)-2-acetamido-2-deoxyglucopyranoside D-Glucose, O-2-amino-2-deoxy-beta-D-glucopyranosyl-(1-4)-O-2-amino-2-deoxy-beta-D-glucopyranosyl-(1-4)-2-(acetylamino)-2-deoxy- Glcn-glcn-glcnac (chito)