4-(Fluoromethyl)-3-hydroxy-5-iodo-2-(trifluoromethoxy)pyridine
3-(Bromomethyl)-4-hydroxy-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
4-(Fluoromethyl)-6-hydroxy-2-iodo-3-(trifluoromethoxy)pyridine
4-Hydroxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-acetic acid