2-Cyano-5-iodo-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Ethyl 4-cyano-5-fluoro-3-(trifluoromethoxy)pyridine-2-acetate
6-Cyano-4-iodo-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Ethyl 4-cyano-3-fluoro-2-(trifluoromethoxy)pyridine-5-acetate