24322-43-8 O-Methyl-tri-N-acetyl-beta-chitotrioside beta-D-Glucopyranoside, methyl O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-4)-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-4)-2-(acetylamino)-2-deoxy-