2,4-dihydroxy-5-methyl-6-oxo-2,4-hexadienoate
2,4-dihydroxy-5-methyl-6-oxo-2,4-hexadienoate
A hydroxy monocarboxylic acid anion that is the conjugate base of 2,4-dihydroxy-5-methyl-6-oxo-2,4-hexadienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.