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