129728-07-0 5-O-beta-D-Galactofuranosyl-alpha-D-galactofuranose 5-O-beta-Galactofuranosyl-galactofuranose Galf-galf alpha-D-Galactofuranose, 5-O-beta-D-galactofuranosyl- beta-Galf-(1-5)-galf