SMILES: C[C@@H]1[C@H]([C@@H]([C@@H]([C@H](O1)O)O)O[C@@H]2[C@H]([C@H]([C@@H]([C@H](O2)C)O)O)O[C@@H]3[C@H]([C@H]([C@@H]([C@H](O3)C)O)O)O)O
Description: The molecule is a linear trisaccharide consisting of three alpha-D-rhamose units joined by an alpha-(1->2)- and an alpha-(1->3)- linkage. It has a role as an epitope.