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