5-(Difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-3-acetonitrile
4-(Fluoromethyl)-6-hydroxy-2-methyl-3-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-2-acetonitrile
6-Hydroxy-3-methyl-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine