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