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