SMILES: C=C[C@@H]1[C@@H]2C[C@@H](OC(=O)C2=CO[C@H]1O[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O)O)O)/C(=C(\\C(=O)O)/O)/C4=CC=CC=C4
Description: The molecule is a 2-oxo monocarboxylic acid. It has a role as a metabolite. It derives from a pyruvic acid.