ChEBI: (2,2,3-trimethyl-5-oxocyclopent-3-en-1-yl)acetic acid is a 4-oxo monocarboxylic acid that is acetic acid in which one of the methyl hydrogens is substituted by a 2,2,3-trimethyl-5-oxocyclopent-3-en-1-yl group. It is a 4-oxo monocarboxylic acid and a cyclic ketone. It is functionally related to an acetic acid. It is a conjugate acid of a (2,2,3-trimethyl-5-oxocyclopent-3-en-1-yl)acetate.