SMILES: CC(=O)N[C@@H]1[C@H]([C@H]([C@H](OC1O[C@@H]2[C@H](OC([C@@H]([C@H]2O)NC(=O)C)OC[C@H]([C@@H]([C@@H]([C@H](CO)NC(=O)C)OC3[C@@H]([C@H]([C@@H]([C@H](O3)CO)OC4[C@@H]([C@H]([C@H]([C@H](O4)CO)O)O)NC(=O)C)O)NC(=O)C)O)O)CO)CO)O)O
Description: The molecule is an oligosaccharide derivative consisting of -D-GalNAc-ol at the reducing end with two D-GalNAc-(1->4)-D-GlcNAc moities attached via (1->3)- and (1->6)-linkages. It has a role as a carbohydrate allergen. It is an oligosaccharide derivative and a glucosamine oligosaccharide.