Ethyl 2-(difluoromethyl)-5-iodo-3-(trifluoromethyl)pyridine-4-carboxylate
2-(Chloromethyl)-4-(difluoromethyl)-6-iodo-3-(trifluoromethyl)pyridine
Methyl 3-(difluoromethyl)-6-iodo-2-(trifluoromethyl)pyridine-5-carboxylate
4-(Chloromethyl)-3-(difluoromethyl)-2-iodopyridine-5-acetonitrile