Methyl 3-(bromomethyl)-6-(difluoromethyl)-2-iodopyridine-5-acetate
3-(Bromomethyl)-6-(difluoromethyl)-2-iodo-4-nitropyridine
2-(Chloromethyl)-6-(difluoromethyl)-3-iodopyridine-4-acetonitrile
4-(Chloromethyl)-3-(difluoromethyl)-2-iodo-5-(trifluoromethyl)pyridine