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