(1S,4S,5R,8R)-4-acetamido--3-(tert-butyldimethylsilyloxy)-2,6-dioxabicyclo[3.3.0]octan-8-yl isovalerate

1,2-O-isopropyliden-5-O-allyl-3-O-phenoxycarbonyl-α-D-glucofuranosiduronamide

allyl 5-O-allyl-3-O-phenoxycarbonyl-β-D-glucofuranosiduronamide

3,6-anhydro-5-O-benzyl-2-deoxy-7-C-phenyl-D-glycero-D-ido-heptono-1,4-lactone