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