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