2-Bromo-3-iodo-4-(trifluoromethoxy)pyridine-5-sulfonamide
2-Bromo-5-(chloromethyl)-6-(trifluoromethoxy)pyridine-3-methanol
2-Chloro-3-(chloromethyl)-5-fluoro-6-(trifluoromethoxy)pyridine
2-Bromo-5-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-methanol