2-(p-trifluoroacetamidophenyl)ethyl O-alpha-D-galactopyranosyl-(1-4)-O-beta-D-galactopyranosyl-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranoside
2-(p-trifluoroacetamidophenyl)ethyl o-alpha-d-galactopyranosyl-(1-4)-o-beta-d-galactopyranosyl-(1-4)-2-acetamido-2-deoxy-beta-d-glucopyranoside