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