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