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