130648-54-3 Me-Me-Galp-nac-glup-galp Methyl O-(2-O-methyl-beta-galactopyranosyl)-(1-4)-O-(2-acetamido-2-deoxy-beta-glucopyranosyl)-(1-3)-beta-galactopyranoside Methyl O-2-O-methyl-beta-D-galactopyranosyl-(1-4)-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-3)-beta-D-Galactopyranoside beta-D-Galactopyranoside, methyl O-2-O-methyl-beta-D-galactopyranosyl-(1-4)-O-2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl-(1-3)-