2-Cyano-3-methyl-5-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Fluoro-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetonitrile
4-(Bromomethyl)-2-(difluoromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-(difluoromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine