5-Bromo-3-(fluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine
3-Bromo-5-(fluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine
2-Bromo-6-fluoro-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine
5-Bromo-4-methoxy-3-(trifluoromethoxy)pyridine-2-acetic acid