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