2-(Chloromethyl)-5-cyano-3-methoxy-6-(trifluoromethoxy)pyridine
4-Cyano-3-nitro-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
4-Cyano-3-nitro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-Fluoro-6-nitro-4-(trifluoromethoxy)pyridine-3-methanol