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