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