Methyl 6-cyano-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetate
4-Cyano-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetonitrile
4-Chloro-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetic acid
4-Cyano-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile