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