5-O-tert-butyldimethylsilyl-7,8-dideoxy-1,2-O-isopropylidene-3,6-di-O-methoxymethyl-β-L-glycero-L-ido-hept-7-enofuranose

5-O-tert-butyldimethylsilyl-7,8-dideoxy-1,2-O-isopropylidene-3,6-di-O-methoxymethyl-α-D-glycero-L-ido-hept-7-enofuranose

1,2-O-isopropylidene-β-D-idurono-3,6-lactone