Methyl 5-(bromomethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-3-acetate
2,6-Difluoro-4-(difluoromethyl)pyridine-3-acetonitrile
Methyl 2-(difluoromethyl)-4-hydroxy-3-iodopyridine-6-acetate
Ethyl 2-cyano-5-(difluoromethyl)-4-methoxypyridine-3-carboxylate