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