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