(5-hydroxy-3-methyl-5-pyridin-4-yl-4H-pyrazol-1-yl)-pyridin-4-ylmethanone [5-hydroxy-3-methyl-5-(4-pyridyl)-4H-pyrazol-1-yl]-(4-pyridyl)methanone (5-hydroxy-3-methyl-5-pyridin-4-yl-4H-pyrazol-1-yl)-pyridin-4-yl-methanone (5-Hydroxy-3-methyl-5-pyridin-4-yl-4,5- dihydropyrazol-1-yl)pyridin-4-ylmethanone Oprea1_115209 Oprea1_463291 BAS 01996612