2-Bromo-5-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxylic acid
6-Bromo-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Bromo-6-methoxy-4-(trifluoromethoxy)pyridine-3-acetonitrile
2-Bromo-4-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylic acid