2-Bromo-3-hydroxy-6-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Bromo-3-chloro-4-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Bromo-3-hydroxy-5-(trifluoromethoxy)pyridine-4-carboxylic acid
5-Bromo-2-chloro-3-(trifluoromethoxy)pyridine-4-carboxaldehyde