SMILES: CC(=O)N[C@@H]1[C@H]([C@H]([C@H](OC1O[C@@H]2[C@H](OC([C@@H]([C@H]2OC3[C@@H]([C@H]([C@H]([C@H](O3)CO)O)O)NC(=O)C)NC(=O)C)O[C@H]([C@H](CO)NC(=O)C)[C@H]([C@@H](CO)O)O)CO)CO)O)O
Description: The molecule is an amino tetrasaccharide consisting of a D-GalNAc-(1->3)-[D-GalNAc-(1->4)]-D-GalNAc moiety attached to N-acetyl-D-galactosaminitol via a (1->3)-linkage. It has a role as a carbohydrate allergen.