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