(3aR,4'S,7S,7aS)-2,2,2',2'-tetramethyltetrahydrospiro[[1,3]dioxolo[4,5-c]pyran-6,4'-[1,3]dioxolan]-7-ol; 1,2:4,5-bis-O-(1-Methylethylidene)-?-D-Fructopyranose; Spiro[1,3-dioxolane-4,6'-[6H-1,3]dioxolo[4,5-c]pyran]-?-D-fructopyranose deriv.; 1,2:4,5-Di-O-isopropylidene-?-D-fructopyranose; 1,2:4,5-Di-O-isopropylidene-?-fructopyranose; ?-D-1,2:4,5-Di-O-isopropylidenefructopyranose
