Methyl 4-(chloromethyl)-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 5-(chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 4-(chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetate
4-(Bromomethyl)-3-(difluoromethyl)-2-iodopyridine