2-Cyano-4-(difluoromethyl)-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
5-Cyano-2-fluoro-4-(trifluoromethoxy)pyridine-3-sulfonamide
2-Cyano-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-methanol
6-Cyano-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-methanol