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