Ethyl 5-(difluoromethyl)-4-iodo-3-methoxypyridine-2-carboxylate
Methyl 4-(difluoromethyl)-3-hydroxy-6-(trifluoromethyl)pyridine-2-carboxylate
Methyl 6-(difluoromethyl)-2-iodo-4-methoxypyridine-3-acetate
6-(Bromomethyl)-3-(difluoromethyl)-4-iodo-2-nitropyridine