4-Fluoro-2-methoxy-6-(trifluoromethoxy)pyridine-3-acetonitrile
4-Hydroxy-2-methyl-6-(trifluoromethoxy)pyridine-3-acetonitrile
4-(Difluoromethyl)-3-hydroxy-5-iodo-2-(trifluoromethoxy)pyridine
3-Fluoro-5-methoxy-6-(trifluoromethoxy)pyridine-2-acetonitrile