Ethyl 3-(difluoromethyl)-2-fluoro-4-iodopyridine-5-carboxylate
Ethyl 2-(difluoromethyl)-5-fluoro-3-iodopyridine-4-carboxylate
3-(Difluoromethyl)-5-fluoro-2-methylpyridine-4-carbonyl chloride
Methyl 5-(difluoromethyl)-4-fluoro-3-iodopyridine-2-acetate