3-Cyano-2-(difluoromethyl)-5-fluoro-6-(trifluoromethoxy)pyridine
3-Chloro-2-(fluoromethyl)-5-methoxy-6-(trifluoromethoxy)pyridine
4-Chloro-3-fluoro-6-(trifluoromethoxy)pyridine-2-methanol
3-Cyano-2-(difluoromethyl)-4-fluoro-5-(trifluoromethoxy)pyridine