2-(Difluoromethyl)-5-hydroxy-6-iodopyridine-3-acetonitrile
5-(Difluoromethyl)-3-hydroxy-2-iodo-4-(trifluoromethyl)pyridine
2-(Difluoromethyl)-3-fluoro-6-(trifluoromethyl)pyridine-5-acetonitrile
3-(Difluoromethyl)-6-fluoro-2-(trifluoromethyl)pyridine-4-methanol