Methyl 4-bromo-3-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylate
4-Bromo-3-(fluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine
Methyl 2-bromo-6-hydroxy-5-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-bromo-5-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylate