Ethyl 2-cyano-3-fluoro-5-(trifluoromethoxy)pyridine-6-acetate
Methyl 4-cyano-6-fluoro-3-(trifluoromethoxy)pyridine-2-acetate
2-Cyano-4-fluoro-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
4-Chloro-3-fluoro-6-(trifluoromethoxy)pyridine-2-acetic acid