英文名称:O-alpha-D-Mannopyranosyl-(1→2)-O-alpha-D-mannopyranosyl-(1→2)-O-alpha-D-mannopyranosyl-(1→3)-O-[O-alpha-D-mannopyranosyl-(1→2)-O-alpha-D-mannopyranosyl-(1→6)-O-[alpha-D-mannopyranosyl-(1→3)]-alpha-D-mannopyranosyl-(1→6)]-O-beta-D-mannopyranosyl-(1→4)-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1→4)-2-(acetylamino)-2-deoxy-D-glucose labeled with carbon-13;