2-Bromo-3-(chloromethyl)-6-cyano-5-(difluoromethyl)pyridine
Ethyl 3-bromo-4-chloro-2-(difluoromethyl)pyridine-5-carboxylate
Ethyl 6-bromo-2-chloro-3-(difluoromethyl)pyridine-4-carboxylate
Ethyl 3-bromo-2-chloro-5-(difluoromethyl)pyridine-6-carboxylate