SMILES: C=CCO[C@@]1(C[C@H]([C@H]([C@H](O1)[C@H]2CO[C@@]3(C[C@H]([C@H]([C@H](O3)[C@@H](CO)O)O)O)C(=O)O2)O)O)C(=O)[O-]
Description: The molecule is the carbohydrate acid derivative anion formed by proton loss from the carboxy group of alpha-Kdo-(2->8)-alpha-Kdo-OAll II(1),I(7)-lactone It is a conjugate base of an alpha-Kdo-(2->8)-alpha-Kdo-OAll II(1),I(7)-lactone.