5-(Bromomethyl)-3-fluoro-4-methoxy-2-(trifluoromethoxy)pyridine
5-(Bromomethyl)-4-fluoro-3-methoxy-2-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-hydroxy-5-iodo-3-(trifluoromethoxy)pyridine
3-(Bromomethyl)-5-hydroxy-2-iodo-6-(trifluoromethoxy)pyridine