3-Hydroxy-5-iodo-2-(trifluoromethoxy)pyridine-6-acetic acid
2-(Difluoromethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-3-methanol
2-(Difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-6-methanol
3-Hydroxy-4-iodo-6-(trifluoromethoxy)pyridine-2-acetic acid