SMILES: C[C@H]1[C@@H]([C@H]([C@H]([C@@H](O1)O)OC(=O)C)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[C@@H]4[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O)O)O
Description: The molecule is a linear tetrasaccharide derivative consisting of an alpha-D-glucosyl residue, two alpha-L-rhamnosyl residues and a 2-O-acetyl-alpha-L-rhamnose at the reducing end.