The molecule is a 6-oxo monocarboxylic acid and a 2-hydroxy monocarboxylic acid. It derives from a sorbic acid. It is a conjugate acid of a 2-hydroxy-6-(2-hydroxyphenoxy)-6-oxo-cis,cis-hexa-2,4-dienoate.
(2E,4Z)-2-hydroxy-6-(2-hydroxyphenoxy)-6-oxohexa-2,4-dienoic acid