SMILES: COC(=O)[C@]1(C[C@H]([C@H]([C@H](O1)[C@@H](CO)O)O)O)OC[C@H]([C@@H]2[C@@H]([C@@H](C[C@@](O2)(C(=O)[O-])OCC=C)O)O)O
Description: The molecule is the carbohydrate acid derivative anion formed by proton loss from the free carboxy group of alpha-Kdo1Me-(2->8)-alpha-Kdo-OAll It is a conjugate base of an alpha-Kdo1Me-(2->8)-alpha-Kdo-OAll.