17739-41-2 1H-Indene-6-carboxylic acid, 3-hydroxy-2-(3-hydroxy-2-quinolinyl)-1-oxo- 3-Hydroxy-2-(3-hydroxy-2-quinolinyl)-1-oxo-1H-indene-6-carboxylic acid 3-Hydroxy-2-(3-hydroxy-2-quinolyl)-1-oxo-1H-indene-6-carboxylic acid EINECS 241-731-7