D-mannopyranosyl-(1-6)-D-mannopyranosyl-(1-4)-2-acetamido-2-deoxy-D-glucopyranosyl-(1-4)-2-acetamido-1-N-(4'-L-aspartyl)-2-deoxy-beta-D-glucopyranosylamine
d-mannopyranosyl-(1-6)-d-mannopyranosyl-(1-4)-2-acetamido-2-deoxy-d-glucopyranosyl-(1-4)-2-acetamido-1-n-(4'-l-aspartyl)-2-deoxy-beta-d-glucopyranosylamine