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