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