3-Cyano-5-(difluoromethyl)-2-fluoro-6-(trifluoromethoxy)pyridine
3-Cyano-4-(difluoromethyl)-6-fluoro-2-(trifluoromethoxy)pyridine
6-(Bromomethyl)-2-cyano-4-fluoro-3-(trifluoromethoxy)pyridine
Ethyl 5-cyano-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate