2-Bromo-6-(bromomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine
5-Bromo-2-(bromomethyl)-3-methoxy-4-(trifluoromethoxy)pyridine
6-Bromo-3-(bromomethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine
4-Bromo-3-(bromomethyl)-6-methoxy-2-(trifluoromethoxy)pyridine