Ethyl 2-bromo-6-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylate
4-Bromo-2-hydroxy-5-(trifluoromethoxy)pyridine-3-acetonitrile
Ethyl 2-bromo-3-hydroxy-4-(trifluoromethoxy)pyridine-6-carboxylate
3-Bromo-4-hydroxy-5-(trifluoromethoxy)pyridine-2-acetonitrile