4-Fluoro-3-methyl-2-(trifluoromethoxy)pyridine-5-acetonitrile
5-(Bromomethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-2-acetonitrile
5-(Difluoromethyl)-2-fluoro-4-methyl-3-(trifluoromethoxy)pyridine
4-Hydroxy-2-iodo-3-(trifluoromethoxy)pyridine-6-acetic acid