trans,trans-2,4-dihydroxy-5-methyl-6-oxo-2,4-hexadienoic acid
trans,trans-2,4-dihydroxy-5-methyl-6-oxo-2,4-hexadienoic acid
A 2,4-dihydroxy-5-methyl-6-oxo-2,4-hexadienoic acid in which both double bonds adopt a <i>trans</i>-configuration.