Ethyl 3-cyano-6-methyl-2-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 3-(chloromethyl)-6-fluoro-2-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 5-(chloromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 4-(chloromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-2-carboxylate