2-Cyano-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Cyano-3-nitro-4-(trifluoromethoxy)pyridine-5-methanol
2-Cyano-5-nitro-3-(trifluoromethoxy)pyridine-4-sulfonamide
5-Cyano-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-methanol