2-(Chloromethyl)-5-(difluoromethyl)-4-fluoro-3-hydroxypyridine
5-(Bromomethyl)-2-cyano-3-(difluoromethyl)pyridine-4-methanol
2-(Difluoromethyl)-3-fluoro-6-hydroxypyridine-4-acetonitrile
4-Cyano-2-(difluoromethyl)-5-(trifluoromethyl)pyridine-3-carboxylic acid