SMILES: [C@H]1([C@H](C(=O)O[C@H]1[C@@H](C(=O)[O-])O)O)O
Description: The molecule is a carbohydrate acid anion resulting from the removal of a proton from the carboxylic acid group of D-galactaro-1,4-lactone. It is a conjugate base of a D-galactaro-1,4-lactone.