5-(Bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-6-methanol
4-Iodo-2-methoxy-5-(trifluoromethoxy)pyridine-3-sulfonamide
4-(Bromomethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-2-methanol
5-Iodo-3-methoxy-2-(trifluoromethoxy)pyridine-4-sulfonamide