The molecule is a phenolate anion resulting from the deprotonation of the phenolic hydroxy group that is ortho to the acyl substituent; major species at pH 7.3. It is a conjugate base of a 2',3,4-trihydroxy-trans-chalcone.
2-[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]phenolate