2-Bromo-3-(chloromethyl)-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
3-Bromo-6-(bromomethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
6-Bromo-3-(fluoromethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-Bromo-6-(bromomethyl)-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine