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