Ethyl 4-(difluoromethyl)-6-methoxy-3-methylpyridine-2-acetate
6-(Difluoromethyl)-2-iodo-4-(trifluoromethyl)pyridine-3-acetonitrile
Ethyl 4-(chloromethyl)-3-(difluoromethyl)-2-iodopyridine-5-acetate
5-(Difluoromethyl)-3-iodo-4-(trifluoromethyl)pyridine-2-methanol