Methyl 4-cyano-2-nitro-3-(trifluoromethoxy)pyridine-5-acetate
4-Cyano-2-nitro-3-(trifluoromethoxy)pyridine-5-methanol
6-Cyano-4-nitro-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-Cyano-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetonitrile