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