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