3-Hydroxy-2-iodo-4-(trifluoromethoxy)pyridine-5-sulfonamide
4-(Bromomethyl)-3-fluoro-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
6-Hydroxy-2-iodo-4-(trifluoromethoxy)pyridine-3-sulfonamide
2-Hydroxy-6-iodo-3-(trifluoromethoxy)pyridine-4-sulfonamide