3-(4-hydroxycyclohex-2-en-1-ylidene)pyruvate
3-(4-hydroxycyclohex-2-en-1-ylidene)pyruvate
A 2-oxo monocarboxylic acid anion that is the conjugate base of 3-(4-hydroxycyclohex-2-en-1-ylidene)pyruvic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.