5-Cyano-4-(difluoromethyl)-3-hydroxy-2-nitropyridine
Ethyl 3-(bromomethyl)-5-chloro-6-(difluoromethyl)pyridine-2-acetate
3-Chloro-2-(chloromethyl)-6-(difluoromethyl)-4-methylpyridine
Ethyl 3-(bromomethyl)-4-chloro-6-(difluoromethyl)pyridine-2-acetate