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