Ethyl 5-bromo-4-(difluoromethyl)pyridine-2-carboxylate
Methyl 2-(bromomethyl)-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-carboxylate
Ethyl 3-bromo-2-(difluoromethyl)pyridine-6-carboxylate
Ethyl 6-bromo-2-(difluoromethyl)pyridine-3-carboxylate