2-(Difluoromethyl)-3-fluoro-4-hydroxypyridine-5-acetonitrile
3-(Difluoromethyl)-4-fluoro-2-hydroxy-5-(trifluoromethyl)pyridine
2-(Difluoromethyl)-6-fluoro-5-iodopyridine-3-carboxylic acid
2-Cyano-6-(difluoromethyl)-5-(trifluoromethyl)pyridine-3-carboxaldehyde