5-Fluoro-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetic acid
4-(Bromomethyl)-2-cyano-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine
3-Fluoro-5-hydroxy-2-(trifluoromethoxy)pyridine-4-acetic acid
4-(Bromomethyl)-3-cyano-2-(trifluoromethoxy)pyridine-5-acetic acid