1 o acetyl 2,3,5,6 tetra o benzoyl beta dextro galactofuranoside 1 o acetyl derivative 1,2:3,4 di o isopropylidene 6 s (2,3,5,6 tetra o benzoyl dextro galactofuranosyl) 6 thio alpha dextro galactopyranose Arabinose Catalysis Chlorine Compounds Disaccharides Enzyme Inhibitors Furanose Furanosidase inhibition Galactose Glycoside Hydrolases Manganese Compounds Michael addition Oxides Penicillium Penicillium fellutanum Sulfides Thiodisaccharides Tin Compounds acetic acid derivative arabinofuranose article beta dextro galactofuranosidase carbohydrate derivative carbohydrate synthesis disaccharide enzyme activity enzyme inhibition enzyme synthesis