3-Cyano-5-hydroxy-2-(trifluoromethoxy)pyridine-6-acetic acid
4-Chloro-3-(chloromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine
Methyl 3-cyano-2-iodo-4-(trifluoromethoxy)pyridine-5-carboxylate
4-Chloro-6-(chloromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine