Ethyl 6-(chloromethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 4-bromo-2-(difluoromethyl)pyridine-5-acetate
Ethyl 2-(chloromethyl)-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-(chloromethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate