6-(Bromomethyl)-2-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine
6-(Aminomethyl)-2-cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine
2-(Bromomethyl)-6-cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine
5-(Aminomethyl)-3-fluoro-2-hydroxy-4-(trifluoromethoxy)pyridine