Ethyl 3-(chloromethyl)-4-(difluoromethyl)-6-iodopyridine-2-acetate
Methyl 4-(difluoromethyl)-3-iodo-5-methylpyridine-2-carboxylate
Ethyl 3-(chloromethyl)-2-(difluoromethyl)-6-iodopyridine-4-acetate
3-(Difluoromethyl)-2-iodo-5-nitropyridine-4-acetic acid