4-(Bromomethyl)-3-hydroxy-6-iodo-2-(trifluoromethoxy)pyridine
5-(Fluoromethyl)-3-hydroxy-2-iodo-4-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-6-hydroxy-3-iodo-5-(trifluoromethoxy)pyridine
5-Hydroxy-2-iodo-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine