The molecule is a dicarboxylic acid dianion that is the conjugate base of prephenic acid; major species at pH 7.3. It has a role as an Escherichia coli metabolite and a plant metabolite. It is a conjugate base of a prephenic acid.
1-(2-carboxylato-2-oxoethyl)-4-hydroxycyclohexa-2,5-diene-1-carboxylate