2-Bromo-5-(difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
2-Bromo-3-(difluoromethyl)-6-hydroxy-5-(trifluoromethoxy)pyridine
5-Bromo-4-(fluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine
2-Bromo-3-methoxy-5-(trifluoromethoxy)pyridine-6-sulfonamide