SMILES: C1=CC2=C(C=CC(=C2C=C1C(=O)O)[O-])O
Description: The molecule is a monocarboxylic acid anion that is the conjugate base of 1,4-dihydroxy-6-naphthoic acid, arising from deprotonation of the carboxy group. It is a conjugate base of a 1,4-dihydroxy-6-naphthoic acid.