3-Bromo-6-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylic acid
2-Bromo-3-iodo-5-(trifluoromethoxy)pyridine-4-carboxylic acid
5-Bromo-2-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylic acid
5-Bromo-2-nitro-3-(trifluoromethoxy)pyridine-6-acetic acid