SMILES: C1[C@@H]([C@H](COC1(C(=O)O)O)O)O
Description: The molecule is a ketoaldonic acid that is the L-threo-isomer of 3-deoxyhex-2-ulopyranosonic acid. It is a conjugate acid of a 3-deoxy-L-threo-hex-2-ulopyranosonate.