Methyl 5-chloro-3-hydroxy-2-(trifluoromethoxy)pyridine-4-carboxylate
4-Chloro-2-cyano-3-(trifluoromethoxy)pyridine-5-carboxylic acid
3-Chloro-5-(fluoromethyl)-6-iodo-2-(trifluoromethoxy)pyridine
3-Chloro-5-(fluoromethyl)-2-iodo-6-(trifluoromethoxy)pyridine