SMILES: CC1=CC(=O)C(C1(C)C)CC(=O)[O-]
Description: The molecule is a 4-oxo monocarboxylic acid anion resulting from the removal of a proton from the carboxylic acid group of (2,2,3-trimethyl-5-oxocyclopent-3-en-1-yl)acetic acid. It is a 4-oxo monocarboxylic acid anion and a cyclic ketone. It derives from an acetate. It is a conjugate base of a (2,2,3-trimethyl-5-oxocyclopent-3-en-1-yl)acetic acid.