5-Chloro-3-cyano-4-hydroxy-2-(trifluoromethoxy)pyridine
Ethyl 2-bromo-6-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylate
3-Chloro-5-cyano-2-hydroxy-4-(trifluoromethoxy)pyridine
Ethyl 6-bromo-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate