IUPAC: (2S,3S)-2,3-dihydroxybutanedioic acid; (3R,4R,5R)-5-(hydroxymethyl)piperidine-3,4-diol

SMILES: OC[C@H]1CNC[C@@H](O)[C@@H]1O.O[C@@H]([C@H](O)C(O)=O)C(O)=O