SMILES: C1[C@H](C=C(O[C@@H]1[C@@H](CO)O)C(=O)O)OC[C@H]([C@@H]2[C@@H]([C@@H](C[C@@](O2)(C(=O)O)O)O)O)O
Description: The molecule is a carbohydrate acid comprising 3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid (Kdo) having a 5-deoxy-4-epi-2,3-dehydro-Kdo moiety attached via an unusual (4->8) non-glycosidic linkage. It derives from a 3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid.