99339-98-7 Betadgal(1-4)betadgalnac(1-6)betadgal Gal(1-4)galnac(1-6)gal Galactopyranosyl(1-4)-N-acetylgalactosaminyl(1-6)galactose beta-D-Galactopyranose, O-beta-D-galactopyranosyl-(1-4)-O-2-(acetylamino)-2-deoxy-beta-D-galactopyranosyl-(1-6)-, (E,E)-