2-(Bromomethyl)-5-(difluoromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine
6-(Bromomethyl)-4-(difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine
6-(Chloromethyl)-3-cyano-4-(trifluoromethoxy)pyridine-2-acetonitrile
2-(Bromomethyl)-4-(difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine