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