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