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