SMILES: C1=CC=C2C(=C1)C(=O)C(=CN2)[O-]
Description: The molecule is conjugate base of 3-hydroxyquinolin-4(1H)-one arising from deprotonation of the 3-hydroxy group; major species at pH 7.3. It is a conjugate base of a 3-hydroxyquinolin-4(1H)-one.