4-(Fluoromethyl)-2-hydroxy-3-iodo-5-(trifluoromethoxy)pyridine
5-(Fluoromethyl)-3-hydroxy-4-iodo-2-(trifluoromethoxy)pyridine
3-(Fluoromethyl)-5-hydroxy-2-iodo-4-(trifluoromethoxy)pyridine
5-(Fluoromethyl)-4-hydroxy-3-iodo-2-(trifluoromethoxy)pyridine