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