6-(Fluoromethyl)-3-hydroxy-4-iodo-2-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-hydroxy-6-iodo-5-(trifluoromethoxy)pyridine
4-(Aminomethyl)-3-(difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine
2-(Fluoromethyl)-4-hydroxy-3-iodo-5-(trifluoromethoxy)pyridine