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