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