2-(Chloromethyl)-5-fluoro-3-hydroxy-4-(trifluoromethoxy)pyridine
6-Fluoro-3-(difluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine
3-(Aminomethyl)-5-fluoro-2-iodo-6-(trifluoromethoxy)pyridine
4-Fluoro-2-hydroxy-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine