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