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