SMILES: C1=CC=C(C=C1)C(=O)C(=O)O
Description: The molecule is a 2-oxo monocarboxylic acid that is glyoxylic acid in which the aldehyde hydrogen is substituted by a phenyl group. It has a role as a human xenobiotic metabolite and a biomarker. It derives from a glyoxylic acid. It is a conjugate acid of a phenylglyoxylate.