SEARCH Articles Figures Tables 1.2- Isopropylidene glucofuranose Glucofuranose Glucofuranose l,2:5,6-di-O-isopropylidene L,2:5,6-Di-0-isopropylidene-D-glucofuranose L,2:5,6-Di-O-isopropylidene-a-D-glucofuranose