SMILES: CC1=CC(=O)C(=O)C=C1[O-]
Description: The molecule is an organic anion obtained by deprotonation of the hydroxy group of 2-hydroxy-5-methylquinone. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a 2-hydroxy-5-methylquinone.