6-(Bromomethyl)-4-chloro-3-hydroxy-2-(trifluoromethoxy)pyridine
2-(Bromomethyl)-4-chloro-3-hydroxy-6-(trifluoromethoxy)pyridine
5-(Bromomethyl)-2-chloro-4-cyano-3-(trifluoromethoxy)pyridine
5-(Bromomethyl)-2-chloro-3-cyano-4-(trifluoromethoxy)pyridine