1 K7D 4-oxo-8-phenyl-1,4-dihydroquinoline-3-carboxylic acid 1.000 2 1UR 4-(4-oxo-4h-chromen-2-yl)benzoic acid 0.739 3 KWB 5-cyclohexyl-2-hydroxybenzoate 0.714 4 GJP 4-hydroxyquinoline-3-carboxylic acid 0.700