Methyl 2-bromo-3-chloro-5-(difluoromethyl)pyridine-4-carboxylate
5-(Difluoromethyl)-4-iodo-3-nitropyridine-2-acetonitrile
5-Bromo-2-chloro-4-(difluoromethyl)-3-methoxypyridine
2-(Chloromethyl)-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-acetonitrile