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