4-Bromo-3-fluoro-2-(trifluoromethoxy)pyridine-6-carboxylic acid
4-Bromo-2-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylic acid
4-Bromo-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetonitrile
2-Bromo-3-hydroxy-6-(trifluoromethoxy)pyridine-5-acetic acid