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