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