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