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