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