Methyl 4-(chloromethyl)-6-cyano-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 3-cyano-6-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
3-Cyano-2-fluoro-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
Methyl 4-(chloromethyl)-2-cyano-3-(trifluoromethoxy)pyridine-5-acetate