5-Fluoro-2-methoxy-4-(trifluoromethoxy)pyridine-3-sulfonamide
6-Cyano-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-methanol
4-Fluoro-5-methoxy-2-(trifluoromethoxy)pyridine-3-sulfonamide
4-Fluoro-3-methoxy-5-(trifluoromethoxy)pyridine-2-sulfonamide