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