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