3-(Bromomethyl)-5-(difluoromethyl)-2-fluoro-6-hydroxypyridine
2-(Difluoromethyl)-3-fluoro-5-iodopyridine-4-acetonitrile
5-(Difluoromethyl)-2-fluoro-4-iodo-3-(trifluoromethyl)pyridine
5-Cyano-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-acetonitrile