Ethyl 4-bromo-3-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylate
5-Bromo-4-cyano-3-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 4-bromo-2-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 3-bromo-5-chloro-6-(trifluoromethoxy)pyridine-2-carboxylate