GalNAca1-3Galb1-4GlcNAc ;Blood Group A type II linear trisaccharideCAS No138398-63-7SynonymsGalNAca1-3Galb1-4GlcNAcChemical FormulaC22H38N2O16Molecular Weight586.54 g/molSmilesCC(=O)NC1C(O)OC(CO)[C@@H](O[C@@H]2OC(CO)[C@H](O)[C@H](O[C@H]3OC(CO)[C@H](O)[C@H](O)C3NC(=O)C)C2O)[C@@H]1O