5-Bromo-2-hydroxy-3-(trifluoromethoxy)pyridine-4-acetonitrile
5-Bromo-4-(chloromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine
2-(Aminomethyl)-6-bromo-5-methyl-3-(trifluoromethoxy)pyridine
3-Bromo-4-(chloromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine