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