4-(Aminomethyl)-3-chloro-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-(Aminomethyl)-2-cyano-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-cyano-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine
6-(Bromomethyl)-2-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine