Methyl 4-(difluoromethyl)-3-iodopyridine-2-acetate
Ethyl 6-(chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 4-(difluoromethyl)-2-iodopyridine-3-acetate
Ethyl 2-(chloromethyl)-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetate