5-Cyano-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-carboxylic acid
3-Cyano-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetonitrile
2-Fluoro-5-methoxy-6-(trifluoromethoxy)pyridine-3-sulfonamide
5-Cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetonitrile