1 HNY 6-(2-ethylphenyl)-3-hydroxy-4-oxo-1,4-dihydropyridine-2-carboxylic acid 1.000 2 HNS 3-hydroxy-6-(2-methylphenyl)-4-oxo-1,4-dihydropyridine-2-carboxylic acid 0.947 3 HOG 6-(3-carboxyphenyl)-3-hydroxy-4-oxo-1,4-dihydropyridine-2-carboxylic acid 0.773 4 A1IA5 2-(4-chlorophenyl)-5-oxidanyl-6-oxidanylidene-1h-pyrimidine-4-carboxylic acid 0.762 5 HWJ 3-hydroxy-6-[2-methyl-4-(1h-tetrazol-5-yl)phenyl]-4-oxo-1,4-dihydropyridine-2-carboxylic acid 0.750 6 KWB 5-cyclohexyl-2-hydroxybenzoate 0.750 7 TI7 3-(2-methylphenyl)benzoic acid 0.750 8 HRJ 3-hydroxy-6-[2-methyl-4-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)phenyl]-4-oxo-1,4-dihydropyridine-2-carboxylic acid 0.720 9 5P3 5-chloro-4-hydroxybiphenyl-3-carboxylic acid 0.714 10 HO1 3-hydroxy-4-oxo-6-[3-(1h-tetrazol-5-yl)phenyl]-1,4-dihydropyridine-2-carboxylic acid 0.708 11 67K 4-hydroxy[2,2'-bipyridine]-6-carbaldehyde 0.700 12 67L 6-(hydroxymethyl)[2,2'-bipyridin]-4-ol 0.700 13 XHZ 6-ethynyl-2-hydroxynaphthalene-1-carbaldehyde 0.700