2-Bromo-5-(chloromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
6-Bromo-4-(chloromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine
2-Bromo-3-(chloromethyl)-6-hydroxy-5-(trifluoromethoxy)pyridine
2-Bromo-5-(difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine