6-Bromo-3-fluoro-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine
5-Bromo-4-(fluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine
2-Bromo-5-(fluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine
3-Bromo-6-(chloromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine