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