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