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