2-Iodo-3-methyl-6-(trifluoromethoxy)pyridine-4-carboxaldehyde
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