alpha-D-gal(1-4)-beta-D-gal(1-4)-beta-D-glu-isomer of 4-O-(4-O-alpha-galactopyranosyl-beta-galactopyranosyl)glucopyranose
alpha-d-gal(1-4)-beta-d-gal(1-4)-beta-d-glu-isomer of 4-o-(4-o-alpha-galactopyranosyl-beta-galactopyranosyl)glucopyranose