SMILES: CC(=O)N[C@@H]1[C@H]([C@@H]([C@H](OC1O)CO)O[C@H]2[C@@H]([C@H]([C@H]([C@H](O2)CO[C@@]3(C[C@@H]([C@H]([C@@H](O3)[C@@H]([C@@H](CO)O[C@@]4(C[C@@H]([C@H]([C@@H](O4)[C@@H]([C@@H](CO)O)O)NC(=O)CO)O)C(=O)O)O)NC(=O)CO)O)C(=O)O)O)O)O)O
Description: The molecule is a linear amino tetrasaccharide comprising two alpha-N-glycoloylneuraminyl residues, a beta-D-galactose residue and (at the reducing end) an N-acetyl-D-glucosamine residue, linked sequentially (2->8), (2->6) and (1->4).