2-(Aminomethyl)-6-bromo-3-(difluoromethyl)-4-(trifluoromethyl)pyridine
2-(Aminomethyl)-4-chloro-3-cyano-6-(difluoromethyl)pyridine
2-(Aminomethyl)-3-chloro-4-cyano-6-(difluoromethyl)pyridine
3-(Bromomethyl)-2-chloro-6-cyano-4-(difluoromethyl)pyridine