Methyl 3-(difluoromethyl)-4-hydroxy-6-iodopyridine-2-acetate
5-(Difluoromethyl)-4-fluoro-3-(trifluoromethyl)pyridine-2-acetonitrile
3-(Difluoromethyl)-2-hydroxy-4-iodopyridine-6-carbonyl chloride
6-(Difluoromethyl)-3-fluoro-4-(trifluoromethyl)pyridine-2-acetonitrile