3-Fluoro-5-hydroxy-2-(trifluoromethoxy)pyridine-4-acetic acid
4-(Bromomethyl)-3-cyano-2-(trifluoromethoxy)pyridine-5-acetic acid
6-Fluoro-2-hydroxy-4-(trifluoromethoxy)pyridine-3-acetic acid
3-(Bromomethyl)-2-cyano-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine