137494-11-2 PGXGG Propyl O-beta-D-galactopyranosyl-(1-2)-O-alpha-D-xylopyranosyl-(1-6)-O-beta-D-glucopyranosyl-(1-4)-beta-D-glucopyranoside Propyl O-galactopyranoysl-(1-2)-O-xylopyranosyl-(1-6)-O-glucopyransoyl-(1-4)-glucopyranoside beta-D-Glucopyranoside, propyl O-beta-D-galactopyranosyl-(1-2)-O-alpha-D-xylopyranosyl-(1-6)-O-beta-D-glucopyranosyl-(1-4)-