1,2-O-Isopropylidene-D-glucofuranose 1,2-O-Isopropylidene-alpha-D-glucofuranose 108061-08-1 18549-40-1 582-51-4 EINECS 242-420-9 Glucofuranose, 1,2-O-isopropylidene-, alpha-D- NSC 1697 alpha-D-Glucofuranose, 1,2-O-(1-methylethylidene)-