Term Name:	urocanic acid
Synonyms:	3-(1H-imidazol-4-yl)-2-propenoic acid, 3-(1H-imidazol-4-yl)prop-2-enoic acid, 3-imidazol-4-ylacrylic acid
Definition:	An α,β-unsaturated monocarboxylic acid that is prop-2-enoic acid substituted by a 1H-imidazol-4-yl group at position 3. It is a metabolite of hidtidine.
Ontology:	ChEBI [CHEBI:27248]  ( EBI )