3-O-Methylsulphonyl-1,2,5,6-di-O-isopropylidene-alpha-D-glucofuranose 5450-26-0 AI3-61546 D-Glucofuranose, 1,2:5,6-bis-O-(1-methylethylidene)-, 3-methanesulfonate EINECS 226-675-3