5-Bromo-4-methoxy-2-(trifluoromethoxy)pyridine-3-sulfonamide
2-Bromo-5-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-acetonitrile
3-Bromo-4-methoxy-5-(trifluoromethoxy)pyridine-2-sulfonamide
6-Bromo-4-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile