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