6-Cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
5-Cyano-4-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide
6-Cyano-2-nitro-4-(trifluoromethoxy)pyridine-3-methanol
2-Cyano-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxaldehyde