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