2-(Bromomethyl)-4-chloro-3-fluoro-6-(trifluoromethoxy)pyridine
3-(Bromomethyl)-6-chloro-2-cyano-4-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-chloro-5-cyano-3-(trifluoromethoxy)pyridine
4-Bromo-2-(bromomethyl)-6-(trifluoromethoxy)pyridine-3-acetic acid