SMILES: C1=CC=C2C(=C1)C(=C(C(=O)N2)C(=O)O)O
Description: The molecule is a quinolone that is 4-quinolone substituted at positions 2 and 3 by hydroxy and carboxy groups respectively. It is a quinolone, a quinolinemonocarboxylic acid and a hydroxyquinoline.