3-(Bromomethyl)-2-fluoro-4-hydroxy-6-(trifluoromethoxy)pyridine
5-(Difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-3-methanol
3-(Difluoromethyl)-2-fluoro-5-(trifluoromethoxy)pyridine-4-methanol
3-Fluoro-5-(fluoromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine