2-Cyano-5-methoxy-3-(trifluoromethoxy)pyridine-4-acetonitrile
5-(Bromomethyl)-2-cyano-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine
5-Cyano-4-methoxy-3-nitro-2-(trifluoromethoxy)pyridine
4-(Bromomethyl)-3-cyano-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine