The molecule is a dihydroxy monocarboxylic acid that is 2,4-dihydroxy-2,4-hexadienoic acid bearing additional methyl and oxo substituents at positions 5 and 6 respectively. It has a role as a bacterial xenobiotic metabolite. It is an alpha,beta-unsaturated monocarboxylic acid, a dihydroxy monocarboxylic acid and a muconic semialdehyde. It is a conjugate acid of a 2,4-dihydroxy-5-methyl-6-oxo-2,4-hexadienoate.
(3Z,5Z)-4,6-dihydroxy-5-methyl-2-oxohexa-3,5-dienoic acid