4-Bromo-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylic acid
3-Bromo-5-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Bromo-4-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 5-bromo-4-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate