2-Hydroxy-5-(2-(trifluoromethoxy)phenyl)pyridine-4-acetonitrile
2-Hydroxy-5-(2-(trifluoromethoxy)phenyl)pyridine-3-acetonitrile
2-Hydroxy-3-(4-(trifluoromethoxy)phenyl)pyridine-6-acetonitrile
2-Hydroxy-3-(4-(trifluoromethoxy)phenyl)pyridine-5-acetonitrile