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