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