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