The molecule is an alpha,beta-unsaturated monocarboxylic acid that is cis,cis-hexa-2,4-dienoic acid substituted by a hydroxy group at position 2, a 2-hydroxyphenyl group at position 6 and an oxo group at position 6. It is a 6-oxo monocarboxylic acid, a 2-hydroxy monocarboxylic acid and an alpha,beta-unsaturated monocarboxylic acid. It derives from a sorbic acid. It is a conjugate acid of a 2-hydroxy-6-(2-hydroxyphenyl)-6-oxo-cis,cis-hexa-2,4-dienoate.
(2E,4Z)-2-hydroxy-6-(2-hydroxyphenyl)-6-oxohexa-2,4-dienoic acid