The molecule is 3-(4-hydroxycyclohex-2-en-1-ylidene)pyruvate obtained by deprotonation of the carboxy group of 3-[(1E,4R)-4-hydroxycyclohex-2-en-1-ylidene]pyruvic acid; major species at pH 7.3. It has a role as a bacterial metabolite. It is a conjugate base of a 3-[(1E,4R)-4-hydroxycyclohex-2-en-1-ylidene]pyruvic acid.
(3E)-3-[(4R)-4-hydroxycyclohex-2-en-1-ylidene]-2-oxopropanoate