3-(Chloromethyl)-6-(difluoromethyl)-2-fluoro-4-methoxypyridine
Methyl 6-(difluoromethyl)-3-fluoro-4-iodopyridine-2-carboxylate
Methyl 6-(difluoromethyl)-4-fluoro-3-iodopyridine-2-carboxylate
Methyl 2-(difluoromethyl)-3-fluoro-5-iodopyridine-6-carboxylate