1 3K1 5-hydroxy-2-[4-(1h-tetrazol-5-yl)phenyl]pyrimidin-4(3h)-one 1.000 2 HWJ 3-hydroxy-6-[2-methyl-4-(1h-tetrazol-5-yl)phenyl]-4-oxo-1,4-dihydropyridine-2-carboxylic acid 0.750