2-Cyano-5-methoxy-3-nitro-6-(trifluoromethoxy)pyridine
Ethyl 5-cyano-2-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylate
4-Fluoro-2-iodo-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Ethyl 4-cyano-3-fluoro-6-(trifluoromethoxy)pyridine-2-carboxylate