The molecule is a tetrahydro-4-hydroxyphenylpyruvate obtained by deprotonation of the carboxy group of 3-[(1R,4R)-4-hydroxycyclohex-2-en-1-yl]pyruvic acid; major species at pH 7.3. It is a conjugate base of a 3-[(1R,4R)-4-hydroxycyclohex-2-en-1-yl]pyruvic acid.
3-[(1R,4R)-4-hydroxycyclohex-2-en-1-yl]-2-oxopropanoate