Ethyl 3-(difluoromethyl)-6-fluoro-2-iodopyridine-4-carboxylate
Ethyl 2-(difluoromethyl)-3-fluoro-5-hydroxypyridine-6-carboxylate
2-(Bromomethyl)-6-(difluoromethyl)-3-fluoro-5-iodopyridine
Methyl 5-(difluoromethyl)-3-fluoro-4-hydroxypyridine-2-carboxylate