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)O)C)O[C@@H]4[C@H]([C@@H](O[C@@H]([C@H]4O)CO)O)NC(=O)C)O)O)O)O
Description: The molecule is a branched tetrasaccharide consisting of an alpha-L-Rha-(1->3)-alpha-L-Rha-(1->3)-beta-D-GlcNAc trisaccharide chain, to the central rhamnose residue is also linked alpha(1->4) a D-glucose residue. Derived from the Shigella liposaccharide O-antigen, it has antigenic properties. It has a role as an antigen.