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