2-hydroxy-6-oxo-6-phenylhexa-2,4-dienoate
2-hydroxy-6-oxo-6-phenylhexa-2,4-dienoate
The 5-oxo monocarboxylic acid anion resulting from the removal of the proton from the carboxylic acid group of 2-hydroxy-6-oxo-6-phenylhexa-2,4-dienoic acid.