SMILES: C[C@H]1[C@H]([C@H]([C@@H]([C@@H](O1)O[C@@H]2[C@H]([C@@H](O[C@@H]([C@H]2O[C@H]3[C@@H]([C@H]([C@H]([C@H](O3)CO)O)O[C@@H]4[C@@H]([C@H]([C@H]([C@H](O4)CO)O)O)NC(=O)C)O[C@H]5[C@H]([C@@H]([C@@H]([C@@H](O5)C)O)O)O)CO)O)NC(=O)C)O)O)O
Description: The molecule is a branched amino pentasaccharide consisting of the linear trisaccharide N-acetyl-alpha-D-galactosaminyl-(1->3)-beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosamine having alpha-L-fucosyl residues attached at position 2 of the galactose and position 3 of the glucosamine. Corresponds to a partial structure of blood group A type 2 oligosaccharide. It has a role as an epitope. It is an amino pentasaccharide, a galactosamine oligosaccharide and a glucosamine oligosaccharide.