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